Finding the Fourth Proportional to 126,019.50, 173,906.93 and 69,432.09

Step by Step Solution

1. Step 1: Write the proportion equation
   126,019.50 : 173,906.93 = 69,432.09 : x
2. Step 2: Convert to fraction form
   126,019.50/173,906.93 = 69,432.09/x
3. Step 3: Cross multiply
   126,019.50x = 173,906.93 × 69,432.09
4. Step 4: Simplify right side
   126,019.50x = 12,074,721,268.22
5. Step 5: Solve for x
   x = 12,074,721,268.22/126,019.50
6. Step 6: Final answer
   x = 95,816.29