Finding the Fourth Proportional to 1,647.54, 2,274.06 and 1,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.54 : 2,274.06 = 1,018.56 : x
2. Step 2: Convert to fraction form
   1,647.54/2,274.06 = 1,018.56/x
3. Step 3: Cross multiply
   1,647.54x = 2,274.06 × 1,018.56
4. Step 4: Simplify right side
   1,647.54x = 2,316,266.55
5. Step 5: Solve for x
   x = 2,316,266.55/1,647.54
6. Step 6: Final answer
   x = 1,405.89