Finding the Fourth Proportional to 10,425.31, 15,646.77 and 5,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.31 : 15,646.77 = 5,498.48 : x
2. Step 2: Convert to fraction form
   10,425.31/15,646.77 = 5,498.48/x
3. Step 3: Cross multiply
   10,425.31x = 15,646.77 × 5,498.48
4. Step 4: Simplify right side
   10,425.31x = 86,033,491.03
5. Step 5: Solve for x
   x = 86,033,491.03/10,425.31
6. Step 6: Final answer
   x = 8,252.37