Finding the Fourth Proportional to 23,078.55, 31,849.06 and 13,006.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.55 : 31,849.06 = 13,006.43 : x
2. Step 2: Convert to fraction form
   23,078.55/31,849.06 = 13,006.43/x
3. Step 3: Cross multiply
   23,078.55x = 31,849.06 × 13,006.43
4. Step 4: Simplify right side
   23,078.55x = 414,242,569.46
5. Step 5: Solve for x
   x = 414,242,569.46/23,078.55
6. Step 6: Final answer
   x = 17,949.25