Finding the Fourth Proportional to 23,149.15, 31,945.83 and 13,077.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,149.15 : 31,945.83 = 13,077.61 : x
2. Step 2: Convert to fraction form
   23,149.15/31,945.83 = 13,077.61/x
3. Step 3: Cross multiply
   23,149.15x = 31,945.83 × 13,077.61
4. Step 4: Simplify right side
   23,149.15x = 417,775,105.87
5. Step 5: Solve for x
   x = 417,775,105.87/23,149.15
6. Step 6: Final answer
   x = 18,047.10