Finding the Fourth Proportional to 2,066.08, 2,846.38 and 1,690.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.08 : 2,846.38 = 1,690.87 : x
2. Step 2: Convert to fraction form
   2,066.08/2,846.38 = 1,690.87/x
3. Step 3: Cross multiply
   2,066.08x = 2,846.38 × 1,690.87
4. Step 4: Simplify right side
   2,066.08x = 4,812,858.55
5. Step 5: Solve for x
   x = 4,812,858.55/2,066.08
6. Step 6: Final answer
   x = 2,329.46