Finding the Fourth Proportional to 122,824.18, 169,500.67 and 69,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   122,824.18 : 169,500.67 = 69,111.10 : x
2. Step 2: Convert to fraction form
   122,824.18/169,500.67 = 69,111.10/x
3. Step 3: Cross multiply
   122,824.18x = 169,500.67 × 69,111.10
4. Step 4: Simplify right side
   122,824.18x = 11,714,376,906.93
5. Step 5: Solve for x
   x = 11,714,376,906.93/122,824.18
6. Step 6: Final answer
   x = 95,375.17