Finding the Fourth Proportional to 16,663.66, 24,986.31 and 5,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663.66 : 24,986.31 = 5,564.50 : x
2. Step 2: Convert to fraction form
   16,663.66/24,986.31 = 5,564.50/x
3. Step 3: Cross multiply
   16,663.66x = 24,986.31 × 5,564.50
4. Step 4: Simplify right side
   16,663.66x = 139,036,322.00
5. Step 5: Solve for x
   x = 139,036,322.00/16,663.66
6. Step 6: Final answer
   x = 8,343.68