Finding the Fourth Proportional to 2,758.85, 3,807.21 and 1,499.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.85 : 3,807.21 = 1,499.91 : x
2. Step 2: Convert to fraction form
   2,758.85/3,807.21 = 1,499.91/x
3. Step 3: Cross multiply
   2,758.85x = 3,807.21 × 1,499.91
4. Step 4: Simplify right side
   2,758.85x = 5,710,472.35
5. Step 5: Solve for x
   x = 5,710,472.35/2,758.85
6. Step 6: Final answer
   x = 2,069.87