Finding the Fourth Proportional to 12,752,414,496,736, 19,128,621,745,102 and 12,752,414,496,736

Step by Step Solution

1. Step 1: Write the proportion equation
   12,752,414,496,736 : 19,128,621,745,102 = 12,752,414,496,736 : x
2. Step 2: Convert to fraction form
   12,752,414,496,736/19,128,621,745,102 = 12,752,414,496,736/x
3. Step 3: Cross multiply
   12,752,414,496,736x = 19,128,621,745,102 × 12,752,414,496,736
4. Step 4: Simplify right side
   12,752,414,496,736x = 243,936,113,244,818,243,944,710,144
5. Step 5: Solve for x
   x = 243,936,113,244,818,243,944,710,144/12,752,414,496,736
6. Step 6: Final answer
   x = 19,128,621,745,102