Finding the Fourth Proportional to 17,221.47, 25,807.56 and 9,810.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,221.47 : 25,807.56 = 9,810.62 : x
2. Step 2: Convert to fraction form
   17,221.47/25,807.56 = 9,810.62/x
3. Step 3: Cross multiply
   17,221.47x = 25,807.56 × 9,810.62
4. Step 4: Simplify right side
   17,221.47x = 253,188,035.25
5. Step 5: Solve for x
   x = 253,188,035.25/17,221.47
6. Step 6: Final answer
   x = 14,701.88