Finding the Fourth Proportional to 23,151.93, 31,949.49 and 13,080.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.93 : 31,949.49 = 13,080.18 : x
2. Step 2: Convert to fraction form
   23,151.93/31,949.49 = 13,080.18/x
3. Step 3: Cross multiply
   23,151.93x = 31,949.49 × 13,080.18
4. Step 4: Simplify right side
   23,151.93x = 417,905,175.39
5. Step 5: Solve for x
   x = 417,905,175.39/23,151.93
6. Step 6: Final answer
   x = 18,050.56