Finding the Fourth Proportional to 23,581.61, 32,547.24 and 13,516.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.61 : 32,547.24 = 13,516.79 : x
2. Step 2: Convert to fraction form
   23,581.61/32,547.24 = 13,516.79/x
3. Step 3: Cross multiply
   23,581.61x = 32,547.24 × 13,516.79
4. Step 4: Simplify right side
   23,581.61x = 439,934,266.52
5. Step 5: Solve for x
   x = 439,934,266.52/23,581.61
6. Step 6: Final answer
   x = 18,655.82