Finding the Fourth Proportional to 5,227.68, 7,214.52 and 2,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,227.68 : 7,214.52 = 2,870.16 : x
2. Step 2: Convert to fraction form
   5,227.68/7,214.52 = 2,870.16/x
3. Step 3: Cross multiply
   5,227.68x = 7,214.52 × 2,870.16
4. Step 4: Simplify right side
   5,227.68x = 20,706,826.72
5. Step 5: Solve for x
   x = 20,706,826.72/5,227.68
6. Step 6: Final answer
   x = 3,961.00