Finding the Fourth Proportional to 16,638.01, 24,955.31 and 5,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638.01 : 24,955.31 = 5,543.50 : x
2. Step 2: Convert to fraction form
   16,638.01/24,955.31 = 5,543.50/x
3. Step 3: Cross multiply
   16,638.01x = 24,955.31 × 5,543.50
4. Step 4: Simplify right side
   16,638.01x = 138,339,733.27
5. Step 5: Solve for x
   x = 138,339,733.27/16,638.01
6. Step 6: Final answer
   x = 8,314.68