Finding the Fourth Proportional to 5,086.80, 7,621.76 and 4,894.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.80 : 7,621.76 = 4,894.83 : x
2. Step 2: Convert to fraction form
   5,086.80/7,621.76 = 4,894.83/x
3. Step 3: Cross multiply
   5,086.80x = 7,621.76 × 4,894.83
4. Step 4: Simplify right side
   5,086.80x = 37,307,231.74
5. Step 5: Solve for x
   x = 37,307,231.74/5,086.80
6. Step 6: Final answer
   x = 7,334.13