Finding the Fourth Proportional to 122,843.83, 169,522.50 and 69,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   122,843.83 : 169,522.50 = 69,128.82 : x
2. Step 2: Convert to fraction form
   122,843.83/169,522.50 = 69,128.82/x
3. Step 3: Cross multiply
   122,843.83x = 169,522.50 × 69,128.82
4. Step 4: Simplify right side
   122,843.83x = 11,718,890,388.45
5. Step 5: Solve for x
   x = 11,718,890,388.45/122,843.83
6. Step 6: Final answer
   x = 95,396.65