Finding the Fourth Proportional to 123,105.83, 169,883.67 and 69,389.81

Step by Step Solution

1. Step 1: Write the proportion equation
   123,105.83 : 169,883.67 = 69,389.81 : x
2. Step 2: Convert to fraction form
   123,105.83/169,883.67 = 69,389.81/x
3. Step 3: Cross multiply
   123,105.83x = 169,883.67 × 69,389.81
4. Step 4: Simplify right side
   123,105.83x = 11,788,195,583.40
5. Step 5: Solve for x
   x = 11,788,195,583.40/123,105.83
6. Step 6: Final answer
   x = 95,756.60