Finding the Fourth Proportional to 123,089.09, 169,872.27 and 69,379.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,089.09 : 169,872.27 = 69,379.16 : x
2. Step 2: Convert to fraction form
   123,089.09/169,872.27 = 69,379.16/x
3. Step 3: Cross multiply
   123,089.09x = 169,872.27 × 69,379.16
4. Step 4: Simplify right side
   123,089.09x = 11,785,595,399.89
5. Step 5: Solve for x
   x = 11,785,595,399.89/123,089.09
6. Step 6: Final answer
   x = 95,748.50