Finding the Fourth Proportional to 2,758.13, 3,806.17 and 1,499.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.13 : 3,806.17 = 1,499.21 : x
2. Step 2: Convert to fraction form
   2,758.13/3,806.17 = 1,499.21/x
3. Step 3: Cross multiply
   2,758.13x = 3,806.17 × 1,499.21
4. Step 4: Simplify right side
   2,758.13x = 5,706,248.13
5. Step 5: Solve for x
   x = 5,706,248.13/2,758.13
6. Step 6: Final answer
   x = 2,068.88