Finding the Fourth Proportional to 42,216.48, 58,283.28 and 25,454.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,216.48 : 58,283.28 = 25,454.88 : x
2. Step 2: Convert to fraction form
   42,216.48/58,283.28 = 25,454.88/x
3. Step 3: Cross multiply
   42,216.48x = 58,283.28 × 25,454.88
4. Step 4: Simplify right side
   42,216.48x = 1,483,593,898.41
5. Step 5: Solve for x
   x = 1,483,593,898.41/42,216.48
6. Step 6: Final answer
   x = 35,142.53