Finding the Fourth Proportional to 122,763.50, 169,411.94 and 69,048.48

Step by Step Solution

1. Step 1: Write the proportion equation
   122,763.50 : 169,411.94 = 69,048.48 : x
2. Step 2: Convert to fraction form
   122,763.50/169,411.94 = 69,048.48/x
3. Step 3: Cross multiply
   122,763.50x = 169,411.94 × 69,048.48
4. Step 4: Simplify right side
   122,763.50x = 11,697,636,605.61
5. Step 5: Solve for x
   x = 11,697,636,605.61/122,763.50
6. Step 6: Final answer
   x = 95,285.95