Finding the Fourth Proportional to 123,148.50, 169,945.16 and 69,433.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,148.50 : 169,945.16 = 69,433.39 : x
2. Step 2: Convert to fraction form
   123,148.50/169,945.16 = 69,433.39/x
3. Step 3: Cross multiply
   123,148.50x = 169,945.16 × 69,433.39
4. Step 4: Simplify right side
   123,148.50x = 11,799,868,572.89
5. Step 5: Solve for x
   x = 11,799,868,572.89/123,148.50
6. Step 6: Final answer
   x = 95,818.21