Finding the Fourth Proportional to 23,066.88, 31,824 and 13,125.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,066.88 : 31,824 = 13,125.12 : x
2. Step 2: Convert to fraction form
   23,066.88/31,824 = 13,125.12/x
3. Step 3: Cross multiply
   23,066.88x = 31,824 × 13,125.12
4. Step 4: Simplify right side
   23,066.88x = 417,693,818.88
5. Step 5: Solve for x
   x = 417,693,818.88/23,066.88
6. Step 6: Final answer
   x = 18,107.95