Finding the Fourth Proportional to 23,147.45, 31,943.33 and 13,079.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.45 : 31,943.33 = 13,079.15 : x
2. Step 2: Convert to fraction form
   23,147.45/31,943.33 = 13,079.15/x
3. Step 3: Cross multiply
   23,147.45x = 31,943.33 × 13,079.15
4. Step 4: Simplify right side
   23,147.45x = 417,791,492.01
5. Step 5: Solve for x
   x = 417,791,492.01/23,147.45
6. Step 6: Final answer
   x = 18,049.14