Finding the Fourth Proportional to 42,103.60, 62,847.17 and 37,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.60 : 62,847.17 = 37,121.50 : x
2. Step 2: Convert to fraction form
   42,103.60/62,847.17 = 37,121.50/x
3. Step 3: Cross multiply
   42,103.60x = 62,847.17 × 37,121.50
4. Step 4: Simplify right side
   42,103.60x = 2,332,981,221.16
5. Step 5: Solve for x
   x = 2,332,981,221.16/42,103.60
6. Step 6: Final answer
   x = 55,410.49