Finding the Fourth Proportional to 11,120,081.72, 15,337,800.20 and 10,205,265.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,120,081.72 : 15,337,800.20 = 10,205,265.68 : x
2. Step 2: Convert to fraction form
   11,120,081.72/15,337,800.20 = 10,205,265.68/x
3. Step 3: Cross multiply
   11,120,081.72x = 15,337,800.20 × 10,205,265.68
4. Step 4: Simplify right side
   11,120,081.72x = 156,526,325,987,757.12
5. Step 5: Solve for x
   x = 156,526,325,987,757.12/11,120,081.72
6. Step 6: Final answer
   x = 14,076,005.01