Finding the Fourth Proportional to 123,353.43, 170,231.86 and 75,597.55

Step by Step Solution

1. Step 1: Write the proportion equation
   123,353.43 : 170,231.86 = 75,597.55 : x
2. Step 2: Convert to fraction form
   123,353.43/170,231.86 = 75,597.55/x
3. Step 3: Cross multiply
   123,353.43x = 170,231.86 × 75,597.55
4. Step 4: Simplify right side
   123,353.43x = 12,869,111,169.96
5. Step 5: Solve for x
   x = 12,869,111,169.96/123,353.43
6. Step 6: Final answer
   x = 104,327.14