Finding the Fourth Proportional to 23,147.96, 31,943.58 and 13,077.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.96 : 31,943.58 = 13,077.32 : x
2. Step 2: Convert to fraction form
   23,147.96/31,943.58 = 13,077.32/x
3. Step 3: Cross multiply
   23,147.96x = 31,943.58 × 13,077.32
4. Step 4: Simplify right side
   23,147.96x = 417,736,417.61
5. Step 5: Solve for x
   x = 417,736,417.61/23,147.96
6. Step 6: Final answer
   x = 18,046.36