Finding the Fourth Proportional to 42,582.42, 58,338.19 and 40,986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,582.42 : 58,338.19 = 40,986.25 : x
2. Step 2: Convert to fraction form
   42,582.42/58,338.19 = 40,986.25/x
3. Step 3: Cross multiply
   42,582.42x = 58,338.19 × 40,986.25
4. Step 4: Simplify right side
   42,582.42x = 2,391,063,143.27
5. Step 5: Solve for x
   x = 2,391,063,143.27/42,582.42
6. Step 6: Final answer
   x = 56,151.42