Finding the Fourth Proportional to 23,663.72, 32,656.16 and 13,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,663.72 : 32,656.16 = 13,053.72 : x
2. Step 2: Convert to fraction form
   23,663.72/32,656.16 = 13,053.72/x
3. Step 3: Cross multiply
   23,663.72x = 32,656.16 × 13,053.72
4. Step 4: Simplify right side
   23,663.72x = 426,284,368.92
5. Step 5: Solve for x
   x = 426,284,368.92/23,663.72
6. Step 6: Final answer
   x = 18,014.26