Finding the Fourth Proportional to 126,066.84, 173,971.86 and 69,478.20

Step by Step Solution

1. Step 1: Write the proportion equation
   126,066.84 : 173,971.86 = 69,478.20 : x
2. Step 2: Convert to fraction form
   126,066.84/173,971.86 = 69,478.20/x
3. Step 3: Cross multiply
   126,066.84x = 173,971.86 × 69,478.20
4. Step 4: Simplify right side
   126,066.84x = 12,087,251,683.45
5. Step 5: Solve for x
   x = 12,087,251,683.45/126,066.84
6. Step 6: Final answer
   x = 95,879.71