Finding the Fourth Proportional to 42,174.48, 58,200.32 and 23,311.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,174.48 : 58,200.32 = 23,311.20 : x
2. Step 2: Convert to fraction form
   42,174.48/58,200.32 = 23,311.20/x
3. Step 3: Cross multiply
   42,174.48x = 58,200.32 × 23,311.20
4. Step 4: Simplify right side
   42,174.48x = 1,356,719,299.58
5. Step 5: Solve for x
   x = 1,356,719,299.58/42,174.48
6. Step 6: Final answer
   x = 32,169.20