Finding the Fourth Proportional to 12,752,215.10, 17,890,892.50 and 12,752,215.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,752,215.10 : 17,890,892.50 = 12,752,215.10 : x
2. Step 2: Convert to fraction form
   12,752,215.10/17,890,892.50 = 12,752,215.10/x
3. Step 3: Cross multiply
   12,752,215.10x = 17,890,892.50 × 12,752,215.10
4. Step 4: Simplify right side
   12,752,215.10x = 228,148,509,490,976.75
5. Step 5: Solve for x
   x = 228,148,509,490,976.75/12,752,215.10
6. Step 6: Final answer
   x = 17,890,892.50