Finding the Fourth Proportional to 42,315.40, 58,401.47 and 24,406.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,315.40 : 58,401.47 = 24,406.91 : x
2. Step 2: Convert to fraction form
   42,315.40/58,401.47 = 24,406.91/x
3. Step 3: Cross multiply
   42,315.40x = 58,401.47 × 24,406.91
4. Step 4: Simplify right side
   42,315.40x = 1,425,399,276.15
5. Step 5: Solve for x
   x = 1,425,399,276.15/42,315.40
6. Step 6: Final answer
   x = 33,685.12