Finding the Fourth Proportional to 2,690.50, 4,035.71 and 1,303.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.50 : 4,035.71 = 1,303.96 : x
2. Step 2: Convert to fraction form
   2,690.50/4,035.71 = 1,303.96/x
3. Step 3: Cross multiply
   2,690.50x = 4,035.71 × 1,303.96
4. Step 4: Simplify right side
   2,690.50x = 5,262,386.46
5. Step 5: Solve for x
   x = 5,262,386.46/2,690.50
6. Step 6: Final answer
   x = 1,955.91