Finding the Fourth Proportional to 42,285.20, 58,355.42 and 23,422.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,285.20 : 58,355.42 = 23,422.32 : x
2. Step 2: Convert to fraction form
   42,285.20/58,355.42 = 23,422.32/x
3. Step 3: Cross multiply
   42,285.20x = 58,355.42 × 23,422.32
4. Step 4: Simplify right side
   42,285.20x = 1,366,819,203.86
5. Step 5: Solve for x
   x = 1,366,819,203.86/42,285.20
6. Step 6: Final answer
   x = 32,323.82