Finding the Fourth Proportional to 12,662,827.74, 18,994,101.42 and 3,078,215.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662,827.74 : 18,994,101.42 = 3,078,215.46 : x
2. Step 2: Convert to fraction form
   12,662,827.74/18,994,101.42 = 3,078,215.46/x
3. Step 3: Cross multiply
   12,662,827.74x = 18,994,101.42 × 3,078,215.46
4. Step 4: Simplify right side
   12,662,827.74x = 58,467,936,639,851.96
5. Step 5: Solve for x
   x = 58,467,936,639,851.96/12,662,827.74
6. Step 6: Final answer
   x = 4,617,289.11