Finding the Fourth Proportional to 42,203.30, 58,239.81 and 23,340.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,203.30 : 58,239.81 = 23,340.42 : x
2. Step 2: Convert to fraction form
   42,203.30/58,239.81 = 23,340.42/x
3. Step 3: Cross multiply
   42,203.30x = 58,239.81 × 23,340.42
4. Step 4: Simplify right side
   42,203.30x = 1,359,341,626.12
5. Step 5: Solve for x
   x = 1,359,341,626.12/42,203.30
6. Step 6: Final answer
   x = 32,209.37