Finding the Fourth Proportional to 1,765.83, 2,437.20 and 1,019.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.83 : 2,437.20 = 1,019.91 : x
2. Step 2: Convert to fraction form
   1,765.83/2,437.20 = 1,019.91/x
3. Step 3: Cross multiply
   1,765.83x = 2,437.20 × 1,019.91
4. Step 4: Simplify right side
   1,765.83x = 2,485,724.65
5. Step 5: Solve for x
   x = 2,485,724.65/1,765.83
6. Step 6: Final answer
   x = 1,407.68