Finding the Fourth Proportional to 123,065.92, 169,873.16 and 72,095

Step by Step Solution

1. Step 1: Write the proportion equation
   123,065.92 : 169,873.16 = 72,095 : x
2. Step 2: Convert to fraction form
   123,065.92/169,873.16 = 72,095/x
3. Step 3: Cross multiply
   123,065.92x = 169,873.16 × 72,095
4. Step 4: Simplify right side
   123,065.92x = 12,247,005,470.20
5. Step 5: Solve for x
   x = 12,247,005,470.20/123,065.92
6. Step 6: Final answer
   x = 99,515.82