Finding the Fourth Proportional to 23,151.49, 31,947.47 and 13,080.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.49 : 31,947.47 = 13,080.35 : x
2. Step 2: Convert to fraction form
   23,151.49/31,947.47 = 13,080.35/x
3. Step 3: Cross multiply
   23,151.49x = 31,947.47 × 13,080.35
4. Step 4: Simplify right side
   23,151.49x = 417,884,089.21
5. Step 5: Solve for x
   x = 417,884,089.21/23,151.49
6. Step 6: Final answer
   x = 18,049.99