Finding the Fourth Proportional to 2,758.82, 3,807.20 and 1,499.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.82 : 3,807.20 = 1,499.90 : x
2. Step 2: Convert to fraction form
   2,758.82/3,807.20 = 1,499.90/x
3. Step 3: Cross multiply
   2,758.82x = 3,807.20 × 1,499.90
4. Step 4: Simplify right side
   2,758.82x = 5,710,392.74
5. Step 5: Solve for x
   x = 5,710,392.74/2,758.82
6. Step 6: Final answer
   x = 2,069.87