Finding the Fourth Proportional to 17,543.16, 24,208.40 and 9,990.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,543.16 : 24,208.40 = 9,990.27 : x
2. Step 2: Convert to fraction form
   17,543.16/24,208.40 = 9,990.27/x
3. Step 3: Cross multiply
   17,543.16x = 24,208.40 × 9,990.27
4. Step 4: Simplify right side
   17,543.16x = 241,848,452.27
5. Step 5: Solve for x
   x = 241,848,452.27/17,543.16
6. Step 6: Final answer
   x = 13,785.91