Finding the Fourth Proportional to 55,587.57, 76,830.84 and 49,168.73

Step by Step Solution

1. Step 1: Write the proportion equation
   55,587.57 : 76,830.84 = 49,168.73 : x
2. Step 2: Convert to fraction form
   55,587.57/76,830.84 = 49,168.73/x
3. Step 3: Cross multiply
   55,587.57x = 76,830.84 × 49,168.73
4. Step 4: Simplify right side
   55,587.57x = 3,777,674,443.48
5. Step 5: Solve for x
   x = 3,777,674,443.48/55,587.57
6. Step 6: Final answer
   x = 67,958.98