Finding the Fourth Proportional to 42,301.28, 58,379.30 and 23,440.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,301.28 : 58,379.30 = 23,440.16 : x
2. Step 2: Convert to fraction form
   42,301.28/58,379.30 = 23,440.16/x
3. Step 3: Cross multiply
   42,301.28x = 58,379.30 × 23,440.16
4. Step 4: Simplify right side
   42,301.28x = 1,368,420,132.69
5. Step 5: Solve for x
   x = 1,368,420,132.69/42,301.28
6. Step 6: Final answer
   x = 32,349.38