Finding the Fourth Proportional to 72,629.95, 108,710.56 and 37,521.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,629.95 : 108,710.56 = 37,521.31 : x
2. Step 2: Convert to fraction form
   72,629.95/108,710.56 = 37,521.31/x
3. Step 3: Cross multiply
   72,629.95x = 108,710.56 × 37,521.31
4. Step 4: Simplify right side
   72,629.95x = 4,078,962,706.52
5. Step 5: Solve for x
   x = 4,078,962,706.52/72,629.95
6. Step 6: Final answer
   x = 56,160.89