Finding the Fourth Proportional to 23,282.42, 32,128.78 and 13,210.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,282.42 : 32,128.78 = 13,210.64 : x
2. Step 2: Convert to fraction form
   23,282.42/32,128.78 = 13,210.64/x
3. Step 3: Cross multiply
   23,282.42x = 32,128.78 × 13,210.64
4. Step 4: Simplify right side
   23,282.42x = 424,441,897.10
5. Step 5: Solve for x
   x = 424,441,897.10/23,282.42
6. Step 6: Final answer
   x = 18,230.15