Finding the Fourth Proportional to 42,139.24, 58,152.90 and 23,275.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139.24 : 58,152.90 = 23,275.24 : x
2. Step 2: Convert to fraction form
   42,139.24/58,152.90 = 23,275.24/x
3. Step 3: Cross multiply
   42,139.24x = 58,152.90 × 23,275.24
4. Step 4: Simplify right side
   42,139.24x = 1,353,522,704.20
5. Step 5: Solve for x
   x = 1,353,522,704.20/42,139.24
6. Step 6: Final answer
   x = 32,120.24