Finding the Fourth Proportional to 82,899.42, 124,251.72 and 38,432.58

Step by Step Solution

1. Step 1: Write the proportion equation
   82,899.42 : 124,251.72 = 38,432.58 : x
2. Step 2: Convert to fraction form
   82,899.42/124,251.72 = 38,432.58/x
3. Step 3: Cross multiply
   82,899.42x = 124,251.72 × 38,432.58
4. Step 4: Simplify right side
   82,899.42x = 4,775,314,169.04
5. Step 5: Solve for x
   x = 4,775,314,169.04/82,899.42
6. Step 6: Final answer
   x = 57,603.71