Finding the Fourth Proportional to 23,633.38, 32,613.72 and 13,561.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,633.38 : 32,613.72 = 13,561.60 : x
2. Step 2: Convert to fraction form
   23,633.38/32,613.72 = 13,561.60/x
3. Step 3: Cross multiply
   23,633.38x = 32,613.72 × 13,561.60
4. Step 4: Simplify right side
   23,633.38x = 442,294,225.15
5. Step 5: Solve for x
   x = 442,294,225.15/23,633.38
6. Step 6: Final answer
   x = 18,714.81