Finding the Fourth Proportional to 23,132.42, 31,919.84 and 13,059.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,132.42 : 31,919.84 = 13,059.62 : x
2. Step 2: Convert to fraction form
   23,132.42/31,919.84 = 13,059.62/x
3. Step 3: Cross multiply
   23,132.42x = 31,919.84 × 13,059.62
4. Step 4: Simplify right side
   23,132.42x = 416,860,980.86
5. Step 5: Solve for x
   x = 416,860,980.86/23,132.42
6. Step 6: Final answer
   x = 18,020.64