Finding the Fourth Proportional to 2,066.88, 3,099.50 and 896.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.88 : 3,099.50 = 896.70 : x
2. Step 2: Convert to fraction form
   2,066.88/3,099.50 = 896.70/x
3. Step 3: Cross multiply
   2,066.88x = 3,099.50 × 896.70
4. Step 4: Simplify right side
   2,066.88x = 2,779,321.65
5. Step 5: Solve for x
   x = 2,779,321.65/2,066.88
6. Step 6: Final answer
   x = 1,344.69