Finding the Fourth Proportional to 1,764.48, 2,434.94 and 1,018.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.48 : 2,434.94 = 1,018.42 : x
2. Step 2: Convert to fraction form
   1,764.48/2,434.94 = 1,018.42/x
3. Step 3: Cross multiply
   1,764.48x = 2,434.94 × 1,018.42
4. Step 4: Simplify right side
   1,764.48x = 2,479,784.23
5. Step 5: Solve for x
   x = 2,479,784.23/1,764.48
6. Step 6: Final answer
   x = 1,405.39