Finding the Fourth Proportional to 125,809, 173,619.12 and 69,220.48

Step by Step Solution

1. Step 1: Write the proportion equation
   125,809 : 173,619.12 = 69,220.48 : x
2. Step 2: Convert to fraction form
   125,809/173,619.12 = 69,220.48/x
3. Step 3: Cross multiply
   125,809x = 173,619.12 × 69,220.48
4. Step 4: Simplify right side
   125,809x = 12,017,998,823.58
5. Step 5: Solve for x
   x = 12,017,998,823.58/125,809
6. Step 6: Final answer
   x = 95,525.75