Finding the Fourth Proportional to 23,216.32, 32,040.50 and 13,146.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,216.32 : 32,040.50 = 13,146.53 : x
2. Step 2: Convert to fraction form
   23,216.32/32,040.50 = 13,146.53/x
3. Step 3: Cross multiply
   23,216.32x = 32,040.50 × 13,146.53
4. Step 4: Simplify right side
   23,216.32x = 421,221,394.47
5. Step 5: Solve for x
   x = 421,221,394.47/23,216.32
6. Step 6: Final answer
   x = 18,143.33