Finding the Fourth Proportional to 42,584.42, 58,340.92 and 40,988.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,584.42 : 58,340.92 = 40,988.24 : x
2. Step 2: Convert to fraction form
   42,584.42/58,340.92 = 40,988.24/x
3. Step 3: Cross multiply
   42,584.42x = 58,340.92 × 40,988.24
4. Step 4: Simplify right side
   42,584.42x = 2,391,291,630.78
5. Step 5: Solve for x
   x = 2,391,291,630.78/42,584.42
6. Step 6: Final answer
   x = 56,154.14