Finding the Fourth Proportional to 123,524.54, 170,464.32 and 71,854.03

Step by Step Solution

1. Step 1: Write the proportion equation
   123,524.54 : 170,464.32 = 71,854.03 : x
2. Step 2: Convert to fraction form
   123,524.54/170,464.32 = 71,854.03/x
3. Step 3: Cross multiply
   123,524.54x = 170,464.32 × 71,854.03
4. Step 4: Simplify right side
   123,524.54x = 12,248,548,003.94
5. Step 5: Solve for x
   x = 12,248,548,003.94/123,524.54
6. Step 6: Final answer
   x = 99,158.83