Finding the Fourth Proportional to 1,461.78, 2,018.88 and 1,134.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.78 : 2,018.88 = 1,134.18 : x
2. Step 2: Convert to fraction form
   1,461.78/2,018.88 = 1,134.18/x
3. Step 3: Cross multiply
   1,461.78x = 2,018.88 × 1,134.18
4. Step 4: Simplify right side
   1,461.78x = 2,289,773.32
5. Step 5: Solve for x
   x = 2,289,773.32/1,461.78
6. Step 6: Final answer
   x = 1,566.43