Finding the Fourth Proportional to 40,499,752.86, 60,755,940 and 13,199,711.94

Step by Step Solution

1. Step 1: Write the proportion equation
   40,499,752.86 : 60,755,940 = 13,199,711.94 : x
2. Step 2: Convert to fraction form
   40,499,752.86/60,755,940 = 13,199,711.94/x
3. Step 3: Cross multiply
   40,499,752.86x = 60,755,940 × 13,199,711.94
4. Step 4: Simplify right side
   40,499,752.86x = 801,960,906,643,923.62
5. Step 5: Solve for x
   x = 801,960,906,643,923.62/40,499,752.86
6. Step 6: Final answer
   x = 19,801,624.70