Finding the Fourth Proportional to 123,831.04, 170,826.24 and 73,494.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,831.04 : 170,826.24 = 73,494.40 : x
2. Step 2: Convert to fraction form
   123,831.04/170,826.24 = 73,494.40/x
3. Step 3: Cross multiply
   123,831.04x = 170,826.24 × 73,494.40
4. Step 4: Simplify right side
   123,831.04x = 12,554,772,013.06
5. Step 5: Solve for x
   x = 12,554,772,013.06/123,831.04
6. Step 6: Final answer
   x = 101,386.31