Finding the Fourth Proportional to 10,657.82, 14,697.78 and 8,425.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,657.82 : 14,697.78 = 8,425.02 : x
2. Step 2: Convert to fraction form
   10,657.82/14,697.78 = 8,425.02/x
3. Step 3: Cross multiply
   10,657.82x = 14,697.78 × 8,425.02
4. Step 4: Simplify right side
   10,657.82x = 123,829,090.46
5. Step 5: Solve for x
   x = 123,829,090.46/10,657.82
6. Step 6: Final answer
   x = 11,618.61