Finding the Fourth Proportional to 1,184.91, 1,635.62 and 1,018.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184.91 : 1,635.62 = 1,018.45 : x
2. Step 2: Convert to fraction form
   1,184.91/1,635.62 = 1,018.45/x
3. Step 3: Cross multiply
   1,184.91x = 1,635.62 × 1,018.45
4. Step 4: Simplify right side
   1,184.91x = 1,665,792.10
5. Step 5: Solve for x
   x = 1,665,792.10/1,184.91
6. Step 6: Final answer
   x = 1,405.84