Finding the Fourth Proportional to 22,540,651.74, 31,096,185.39 and 15,195,801.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540,651.74 : 31,096,185.39 = 15,195,801.78 : x
2. Step 2: Convert to fraction form
   22,540,651.74/31,096,185.39 = 15,195,801.78/x
3. Step 3: Cross multiply
   22,540,651.74x = 31,096,185.39 × 15,195,801.78
4. Step 4: Simplify right side
   22,540,651.74x = 472,531,469,300,572
5. Step 5: Solve for x
   x = 472,531,469,300,572/22,540,651.74
6. Step 6: Final answer
   x = 20,963,522.92