Finding the Fourth Proportional to 42,399.87, 58,512.08 and 23,280.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,399.87 : 58,512.08 = 23,280.48 : x
2. Step 2: Convert to fraction form
   42,399.87/58,512.08 = 23,280.48/x
3. Step 3: Cross multiply
   42,399.87x = 58,512.08 × 23,280.48
4. Step 4: Simplify right side
   42,399.87x = 1,362,189,308.20
5. Step 5: Solve for x
   x = 1,362,189,308.20/42,399.87
6. Step 6: Final answer
   x = 32,127.20