Finding the Fourth Proportional to 123,654.27, 170,454.20 and 75,818.91

Step by Step Solution

1. Step 1: Write the proportion equation
   123,654.27 : 170,454.20 = 75,818.91 : x
2. Step 2: Convert to fraction form
   123,654.27/170,454.20 = 75,818.91/x
3. Step 3: Cross multiply
   123,654.27x = 170,454.20 × 75,818.91
4. Step 4: Simplify right side
   123,654.27x = 12,923,651,269.83
5. Step 5: Solve for x
   x = 12,923,651,269.83/123,654.27
6. Step 6: Final answer
   x = 104,514.40