Finding the Fourth Proportional to 2,870.37, 3,960.29 and 2,206.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.37 : 3,960.29 = 2,206.04 : x
2. Step 2: Convert to fraction form
   2,870.37/3,960.29 = 2,206.04/x
3. Step 3: Cross multiply
   2,870.37x = 3,960.29 × 2,206.04
4. Step 4: Simplify right side
   2,870.37x = 8,736,543.87
5. Step 5: Solve for x
   x = 8,736,543.87/2,870.37
6. Step 6: Final answer
   x = 3,043.70