Finding the Fourth Proportional to 42,442.70, 58,572.04 and 25,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442.70 : 58,572.04 = 25,449.72 : x
2. Step 2: Convert to fraction form
   42,442.70/58,572.04 = 25,449.72/x
3. Step 3: Cross multiply
   42,442.70x = 58,572.04 × 25,449.72
4. Step 4: Simplify right side
   42,442.70x = 1,490,642,017.83
5. Step 5: Solve for x
   x = 1,490,642,017.83/42,442.70
6. Step 6: Final answer
   x = 35,121.28