Finding the Fourth Proportional to 72,710.36, 109,123.86 and 37,660.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,710.36 : 109,123.86 = 37,660.04 : x
2. Step 2: Convert to fraction form
   72,710.36/109,123.86 = 37,660.04/x
3. Step 3: Cross multiply
   72,710.36x = 109,123.86 × 37,660.04
4. Step 4: Simplify right side
   72,710.36x = 4,109,608,386.94
5. Step 5: Solve for x
   x = 4,109,608,386.94/72,710.36
6. Step 6: Final answer
   x = 56,520.26