Finding the Fourth Proportional to 126,066.86, 173,971.76 and 69,478.23

Step by Step Solution

1. Step 1: Write the proportion equation
   126,066.86 : 173,971.76 = 69,478.23 : x
2. Step 2: Convert to fraction form
   126,066.86/173,971.76 = 69,478.23/x
3. Step 3: Cross multiply
   126,066.86x = 173,971.76 × 69,478.23
4. Step 4: Simplify right side
   126,066.86x = 12,087,249,607.39
5. Step 5: Solve for x
   x = 12,087,249,607.39/126,066.86
6. Step 6: Final answer
   x = 95,879.68