Finding the Fourth Proportional to 21,514,795.88, 29,691,470.93 and 12,098,550.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,514,795.88 : 29,691,470.93 = 12,098,550.42 : x
2. Step 2: Convert to fraction form
   21,514,795.88/29,691,470.93 = 12,098,550.42/x
3. Step 3: Cross multiply
   21,514,795.88x = 29,691,470.93 × 12,098,550.42
4. Step 4: Simplify right side
   21,514,795.88x = 359,223,758,030,076.56
5. Step 5: Solve for x
   x = 359,223,758,030,076.56/21,514,795.88
6. Step 6: Final answer
   x = 16,696,591.50