Finding the Fourth Proportional to 42,012.48, 57,932.64 and 37,781.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.48 : 57,932.64 = 37,781.04 : x
2. Step 2: Convert to fraction form
   42,012.48/57,932.64 = 37,781.04/x
3. Step 3: Cross multiply
   42,012.48x = 57,932.64 × 37,781.04
4. Step 4: Simplify right side
   42,012.48x = 2,188,755,389.15
5. Step 5: Solve for x
   x = 2,188,755,389.15/42,012.48
6. Step 6: Final answer
   x = 52,097.74