Finding the Fourth Proportional to 16,666.72, 24,997.52 and 5,573.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,666.72 : 24,997.52 = 5,573.60 : x
2. Step 2: Convert to fraction form
   16,666.72/24,997.52 = 5,573.60/x
3. Step 3: Cross multiply
   16,666.72x = 24,997.52 × 5,573.60
4. Step 4: Simplify right side
   16,666.72x = 139,326,177.47
5. Step 5: Solve for x
   x = 139,326,177.47/16,666.72
6. Step 6: Final answer
   x = 8,359.54