Finding the Fourth Proportional to 82,710.31, 124,077.77 and 38,341.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,710.31 : 124,077.77 = 38,341.55 : x
2. Step 2: Convert to fraction form
   82,710.31/124,077.77 = 38,341.55/x
3. Step 3: Cross multiply
   82,710.31x = 124,077.77 × 38,341.55
4. Step 4: Simplify right side
   82,710.31x = 4,757,334,022.34
5. Step 5: Solve for x
   x = 4,757,334,022.34/82,710.31
6. Step 6: Final answer
   x = 57,518.03