Finding the Fourth Proportional to 22,704,963.99, 31,332,384.32 and 12,391,684.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,704,963.99 : 31,332,384.32 = 12,391,684.35 : x
2. Step 2: Convert to fraction form
   22,704,963.99/31,332,384.32 = 12,391,684.35/x
3. Step 3: Cross multiply
   22,704,963.99x = 31,332,384.32 × 12,391,684.35
4. Step 4: Simplify right side
   22,704,963.99x = 388,261,016,426,329.38
5. Step 5: Solve for x
   x = 388,261,016,426,329.38/22,704,963.99
6. Step 6: Final answer
   x = 17,100,270.08