Finding the Fourth Proportional to 23,002.32, 31,741.10 and 13,310.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,002.32 : 31,741.10 = 13,310.10 : x
2. Step 2: Convert to fraction form
   23,002.32/31,741.10 = 13,310.10/x
3. Step 3: Cross multiply
   23,002.32x = 31,741.10 × 13,310.10
4. Step 4: Simplify right side
   23,002.32x = 422,477,089.52
5. Step 5: Solve for x
   x = 422,477,089.52/23,002.32
6. Step 6: Final answer
   x = 18,366.72