Finding the Fourth Proportional to 23,562.88, 32,515.20 and 12,952

Step by Step Solution

1. Step 1: Write the proportion equation
   23,562.88 : 32,515.20 = 12,952 : x
2. Step 2: Convert to fraction form
   23,562.88/32,515.20 = 12,952/x
3. Step 3: Cross multiply
   23,562.88x = 32,515.20 × 12,952
4. Step 4: Simplify right side
   23,562.88x = 421,136,870.40
5. Step 5: Solve for x
   x = 421,136,870.40/23,562.88
6. Step 6: Final answer
   x = 17,872.89