Finding the Fourth Proportional to 23,666.72, 32,658.40 and 13,319.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,666.72 : 32,658.40 = 13,319.98 : x
2. Step 2: Convert to fraction form
   23,666.72/32,658.40 = 13,319.98/x
3. Step 3: Cross multiply
   23,666.72x = 32,658.40 × 13,319.98
4. Step 4: Simplify right side
   23,666.72x = 435,009,285.46
5. Step 5: Solve for x
   x = 435,009,285.46/23,666.72
6. Step 6: Final answer
   x = 18,380.63