Finding the Fourth Proportional to 4,908.50, 7,362.71 and 1,986.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,908.50 : 7,362.71 = 1,986.76 : x
2. Step 2: Convert to fraction form
   4,908.50/7,362.71 = 1,986.76/x
3. Step 3: Cross multiply
   4,908.50x = 7,362.71 × 1,986.76
4. Step 4: Simplify right side
   4,908.50x = 14,627,951.89
5. Step 5: Solve for x
   x = 14,627,951.89/4,908.50
6. Step 6: Final answer
   x = 2,980.13