Finding the Fourth Proportional to 5,510.43, 8,273.85 and 3,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,510.43 : 8,273.85 = 3,870.18 : x
2. Step 2: Convert to fraction form
   5,510.43/8,273.85 = 3,870.18/x
3. Step 3: Cross multiply
   5,510.43x = 8,273.85 × 3,870.18
4. Step 4: Simplify right side
   5,510.43x = 32,021,274.28
5. Step 5: Solve for x
   x = 32,021,274.28/5,510.43
6. Step 6: Final answer
   x = 5,811.03