Finding the Fourth Proportional to 23,377.10, 32,259.89 and 12,766.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,377.10 : 32,259.89 = 12,766.78 : x
2. Step 2: Convert to fraction form
   23,377.10/32,259.89 = 12,766.78/x
3. Step 3: Cross multiply
   23,377.10x = 32,259.89 × 12,766.78
4. Step 4: Simplify right side
   23,377.10x = 411,854,693.32
5. Step 5: Solve for x
   x = 411,854,693.32/23,377.10
6. Step 6: Final answer
   x = 17,617.87