Finding the Fourth Proportional to 23,282.80, 32,130.42 and 12,672.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,282.80 : 32,130.42 = 12,672.49 : x
2. Step 2: Convert to fraction form
   23,282.80/32,130.42 = 12,672.49/x
3. Step 3: Cross multiply
   23,282.80x = 32,130.42 × 12,672.49
4. Step 4: Simplify right side
   23,282.80x = 407,172,426.15
5. Step 5: Solve for x
   x = 407,172,426.15/23,282.80
6. Step 6: Final answer
   x = 17,488.12