Finding the Fourth Proportional to 42,228.72, 58,257.36 and 25,452

Step by Step Solution

1. Step 1: Write the proportion equation
   42,228.72 : 58,257.36 = 25,452 : x
2. Step 2: Convert to fraction form
   42,228.72/58,257.36 = 25,452/x
3. Step 3: Cross multiply
   42,228.72x = 58,257.36 × 25,452
4. Step 4: Simplify right side
   42,228.72x = 1,482,766,326.72
5. Step 5: Solve for x
   x = 1,482,766,326.72/42,228.72
6. Step 6: Final answer
   x = 35,112.75