Finding the Fourth Proportional to 125,776.47, 173,568.06 and 69,187.89

Step by Step Solution

1. Step 1: Write the proportion equation
   125,776.47 : 173,568.06 = 69,187.89 : x
2. Step 2: Convert to fraction form
   125,776.47/173,568.06 = 69,187.89/x
3. Step 3: Cross multiply
   125,776.47x = 173,568.06 × 69,187.89
4. Step 4: Simplify right side
   125,776.47x = 12,008,807,842.79
5. Step 5: Solve for x
   x = 12,008,807,842.79/125,776.47
6. Step 6: Final answer
   x = 95,477.38