Finding the Fourth Proportional to 2,046.90, 2,869.50 and 2,046.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.90 : 2,869.50 = 2,046.90 : x
2. Step 2: Convert to fraction form
   2,046.90/2,869.50 = 2,046.90/x
3. Step 3: Cross multiply
   2,046.90x = 2,869.50 × 2,046.90
4. Step 4: Simplify right side
   2,046.90x = 5,873,579.55
5. Step 5: Solve for x
   x = 5,873,579.55/2,046.90
6. Step 6: Final answer
   x = 2,869.50