Finding the Fourth Proportional to 23,272.55, 32,116.80 and 12,662.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,272.55 : 32,116.80 = 12,662.87 : x
2. Step 2: Convert to fraction form
   23,272.55/32,116.80 = 12,662.87/x
3. Step 3: Cross multiply
   23,272.55x = 32,116.80 × 12,662.87
4. Step 4: Simplify right side
   23,272.55x = 406,690,870.56
5. Step 5: Solve for x
   x = 406,690,870.56/23,272.55
6. Step 6: Final answer
   x = 17,475.13