Finding the Fourth Proportional to 58,909.38, 81,182.97 and 42,113.22

Step by Step Solution

1. Step 1: Write the proportion equation
   58,909.38 : 81,182.97 = 42,113.22 : x
2. Step 2: Convert to fraction form
   58,909.38/81,182.97 = 42,113.22/x
3. Step 3: Cross multiply
   58,909.38x = 81,182.97 × 42,113.22
4. Step 4: Simplify right side
   58,909.38x = 3,418,876,275.86
5. Step 5: Solve for x
   x = 3,418,876,275.86/58,909.38
6. Step 6: Final answer
   x = 58,036.20