Finding the Fourth Proportional to 23,687.65, 32,688.74 and 13,077.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,687.65 : 32,688.74 = 13,077.05 : x
2. Step 2: Convert to fraction form
   23,687.65/32,688.74 = 13,077.05/x
3. Step 3: Cross multiply
   23,687.65x = 32,688.74 × 13,077.05
4. Step 4: Simplify right side
   23,687.65x = 427,472,401.83
5. Step 5: Solve for x
   x = 427,472,401.83/23,687.65
6. Step 6: Final answer
   x = 18,046.22