Finding the Fourth Proportional to 123,825.86, 170,792.25 and 76,106.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,825.86 : 170,792.25 = 76,106.06 : x
2. Step 2: Convert to fraction form
   123,825.86/170,792.25 = 76,106.06/x
3. Step 3: Cross multiply
   123,825.86x = 170,792.25 × 76,106.06
4. Step 4: Simplify right side
   123,825.86x = 12,998,325,226.04
5. Step 5: Solve for x
   x = 12,998,325,226.04/123,825.86
6. Step 6: Final answer
   x = 104,972.62