Finding the Fourth Proportional to 17,199.89, 25,803.48 and 5,521.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,199.89 : 25,803.48 = 5,521.31 : x
2. Step 2: Convert to fraction form
   17,199.89/25,803.48 = 5,521.31/x
3. Step 3: Cross multiply
   17,199.89x = 25,803.48 × 5,521.31
4. Step 4: Simplify right side
   17,199.89x = 142,469,090.47
5. Step 5: Solve for x
   x = 142,469,090.47/17,199.89
6. Step 6: Final answer
   x = 8,283.14