Finding the Fourth Proportional to 42,038.79, 58,013.58 and 23,175.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,038.79 : 58,013.58 = 23,175.91 : x
2. Step 2: Convert to fraction form
   42,038.79/58,013.58 = 23,175.91/x
3. Step 3: Cross multiply
   42,038.79x = 58,013.58 × 23,175.91
4. Step 4: Simplify right side
   42,038.79x = 1,344,517,508.86
5. Step 5: Solve for x
   x = 1,344,517,508.86/42,038.79
6. Step 6: Final answer
   x = 31,982.78