Finding the Fourth Proportional to 42,405.16, 58,520.88 and 23,542.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405.16 : 58,520.88 = 23,542.28 : x
2. Step 2: Convert to fraction form
   42,405.16/58,520.88 = 23,542.28/x
3. Step 3: Cross multiply
   42,405.16x = 58,520.88 × 23,542.28
4. Step 4: Simplify right side
   42,405.16x = 1,377,714,942.81
5. Step 5: Solve for x
   x = 1,377,714,942.81/42,405.16
6. Step 6: Final answer
   x = 32,489.32