Finding the Fourth Proportional to 7,020.04, 9,687.78 and 3,876.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020.04 : 9,687.78 = 3,876.04 : x
2. Step 2: Convert to fraction form
   7,020.04/9,687.78 = 3,876.04/x
3. Step 3: Cross multiply
   7,020.04x = 9,687.78 × 3,876.04
4. Step 4: Simplify right side
   7,020.04x = 37,550,222.79
5. Step 5: Solve for x
   x = 37,550,222.79/7,020.04
6. Step 6: Final answer
   x = 5,349.00