Finding the Fourth Proportional to 123,019.96, 169,780.08 and 75,304.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,019.96 : 169,780.08 = 75,304.84 : x
2. Step 2: Convert to fraction form
   123,019.96/169,780.08 = 75,304.84/x
3. Step 3: Cross multiply
   123,019.96x = 169,780.08 × 75,304.84
4. Step 4: Simplify right side
   123,019.96x = 12,785,261,759.59
5. Step 5: Solve for x
   x = 12,785,261,759.59/123,019.96
6. Step 6: Final answer
   x = 103,928.35