Finding the Fourth Proportional to 1,764.69, 2,434.71 and 1,018.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.69 : 2,434.71 = 1,018.55 : x
2. Step 2: Convert to fraction form
   1,764.69/2,434.71 = 1,018.55/x
3. Step 3: Cross multiply
   1,764.69x = 2,434.71 × 1,018.55
4. Step 4: Simplify right side
   1,764.69x = 2,479,871.20
5. Step 5: Solve for x
   x = 2,479,871.20/1,764.69
6. Step 6: Final answer
   x = 1,405.28