Finding the Fourth Proportional to 42,256.50, 58,311.75 and 23,132.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.50 : 58,311.75 = 23,132.61 : x
2. Step 2: Convert to fraction form
   42,256.50/58,311.75 = 23,132.61/x
3. Step 3: Cross multiply
   42,256.50x = 58,311.75 × 23,132.61
4. Step 4: Simplify right side
   42,256.50x = 1,348,902,943.38
5. Step 5: Solve for x
   x = 1,348,902,943.38/42,256.50
6. Step 6: Final answer
   x = 31,921.79