Finding the Fourth Proportional to 1,764.98, 2,435.92 and 1,018.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.98 : 2,435.92 = 1,018.78 : x
2. Step 2: Convert to fraction form
   1,764.98/2,435.92 = 1,018.78/x
3. Step 3: Cross multiply
   1,764.98x = 2,435.92 × 1,018.78
4. Step 4: Simplify right side
   1,764.98x = 2,481,666.58
5. Step 5: Solve for x
   x = 2,481,666.58/1,764.98
6. Step 6: Final answer
   x = 1,406.06