Finding the Fourth Proportional to 1,919.56, 2,650.48 and 1,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.56 : 2,650.48 = 1,499.18 : x
2. Step 2: Convert to fraction form
   1,919.56/2,650.48 = 1,499.18/x
3. Step 3: Cross multiply
   1,919.56x = 2,650.48 × 1,499.18
4. Step 4: Simplify right side
   1,919.56x = 3,973,549.48
5. Step 5: Solve for x
   x = 3,973,549.48/1,919.56
6. Step 6: Final answer
   x = 2,070.03