Finding the Fourth Proportional to 2,758.74, 3,807.07 and 1,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.74 : 3,807.07 = 1,499.80 : x
2. Step 2: Convert to fraction form
   2,758.74/3,807.07 = 1,499.80/x
3. Step 3: Cross multiply
   2,758.74x = 3,807.07 × 1,499.80
4. Step 4: Simplify right side
   2,758.74x = 5,709,843.59
5. Step 5: Solve for x
   x = 5,709,843.59/2,758.74
6. Step 6: Final answer
   x = 2,069.73