Finding the Fourth Proportional to 42,318.86, 58,400.62 and 23,200.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318.86 : 58,400.62 = 23,200.43 : x
2. Step 2: Convert to fraction form
   42,318.86/58,400.62 = 23,200.43/x
3. Step 3: Cross multiply
   42,318.86x = 58,400.62 × 23,200.43
4. Step 4: Simplify right side
   42,318.86x = 1,354,919,584.27
5. Step 5: Solve for x
   x = 1,354,919,584.27/42,318.86
6. Step 6: Final answer
   x = 32,016.92