Finding the Fourth Proportional to 42,912.24, 59,225.76 and 25,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,912.24 : 59,225.76 = 25,017.72 : x
2. Step 2: Convert to fraction form
   42,912.24/59,225.76 = 25,017.72/x
3. Step 3: Cross multiply
   42,912.24x = 59,225.76 × 25,017.72
4. Step 4: Simplify right side
   42,912.24x = 1,481,693,480.47
5. Step 5: Solve for x
   x = 1,481,693,480.47/42,912.24
6. Step 6: Final answer
   x = 34,528.46