Finding the Fourth Proportional to 42,717.24, 58,947.35 and 25,509.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,717.24 : 58,947.35 = 25,509.02 : x
2. Step 2: Convert to fraction form
   42,717.24/58,947.35 = 25,509.02/x
3. Step 3: Cross multiply
   42,717.24x = 58,947.35 × 25,509.02
4. Step 4: Simplify right side
   42,717.24x = 1,503,689,130.10
5. Step 5: Solve for x
   x = 1,503,689,130.10/42,717.24
6. Step 6: Final answer
   x = 35,200.99