Finding the Fourth Proportional to 2,866.84, 3,956.10 and 1,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.84 : 3,956.10 = 1,870.18 : x
2. Step 2: Convert to fraction form
   2,866.84/3,956.10 = 1,870.18/x
3. Step 3: Cross multiply
   2,866.84x = 3,956.10 × 1,870.18
4. Step 4: Simplify right side
   2,866.84x = 7,398,619.10
5. Step 5: Solve for x
   x = 7,398,619.10/2,866.84
6. Step 6: Final answer
   x = 2,580.76