Finding the Fourth Proportional to 23,442.81, 32,350.82 and 12,687.45

Step by Step Solution

1. Step 1: Write the proportion equation
   23,442.81 : 32,350.82 = 12,687.45 : x
2. Step 2: Convert to fraction form
   23,442.81/32,350.82 = 12,687.45/x
3. Step 3: Cross multiply
   23,442.81x = 32,350.82 × 12,687.45
4. Step 4: Simplify right side
   23,442.81x = 410,449,347.77
5. Step 5: Solve for x
   x = 410,449,347.77/23,442.81
6. Step 6: Final answer
   x = 17,508.54