Finding the Fourth Proportional to 42,129.91, 58,139.31 and 23,267.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,129.91 : 58,139.31 = 23,267.02 : x
2. Step 2: Convert to fraction form
   42,129.91/58,139.31 = 23,267.02/x
3. Step 3: Cross multiply
   42,129.91x = 58,139.31 × 23,267.02
4. Step 4: Simplify right side
   42,129.91x = 1,352,728,488.56
5. Step 5: Solve for x
   x = 1,352,728,488.56/42,129.91
6. Step 6: Final answer
   x = 32,108.51