Finding the Fourth Proportional to 16,173.98, 24,253.28 and 5,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,173.98 : 24,253.28 = 5,642.72 : x
2. Step 2: Convert to fraction form
   16,173.98/24,253.28 = 5,642.72/x
3. Step 3: Cross multiply
   16,173.98x = 24,253.28 × 5,642.72
4. Step 4: Simplify right side
   16,173.98x = 136,854,468.12
5. Step 5: Solve for x
   x = 136,854,468.12/16,173.98
6. Step 6: Final answer
   x = 8,461.40