Finding the Fourth Proportional to 89,559.35, 123,508.01 and 55,573.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89,559.35 : 123,508.01 = 55,573.37 : x
2. Step 2: Convert to fraction form
   89,559.35/123,508.01 = 55,573.37/x
3. Step 3: Cross multiply
   89,559.35x = 123,508.01 × 55,573.37
4. Step 4: Simplify right side
   89,559.35x = 6,863,755,859.09
5. Step 5: Solve for x
   x = 6,863,755,859.09/89,559.35
6. Step 6: Final answer
   x = 76,639.19