Finding the Fourth Proportional to 23,665.18, 32,656.85 and 13,586.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.18 : 32,656.85 = 13,586.53 : x
2. Step 2: Convert to fraction form
   23,665.18/32,656.85 = 13,586.53/x
3. Step 3: Cross multiply
   23,665.18x = 32,656.85 × 13,586.53
4. Step 4: Simplify right side
   23,665.18x = 443,693,272.23
5. Step 5: Solve for x
   x = 443,693,272.23/23,665.18
6. Step 6: Final answer
   x = 18,748.78