Finding the Fourth Proportional to 1,764.91, 2,435.56 and 1,018.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.91 : 2,435.56 = 1,018.87 : x
2. Step 2: Convert to fraction form
   1,764.91/2,435.56 = 1,018.87/x
3. Step 3: Cross multiply
   1,764.91x = 2,435.56 × 1,018.87
4. Step 4: Simplify right side
   1,764.91x = 2,481,510.38
5. Step 5: Solve for x
   x = 2,481,510.38/1,764.91
6. Step 6: Final answer
   x = 1,406.03