Finding the Fourth Proportional to 1,080.02, 1,490.57 and 614.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.02 : 1,490.57 = 614.18 : x
2. Step 2: Convert to fraction form
   1,080.02/1,490.57 = 614.18/x
3. Step 3: Cross multiply
   1,080.02x = 1,490.57 × 614.18
4. Step 4: Simplify right side
   1,080.02x = 915,478.28
5. Step 5: Solve for x
   x = 915,478.28/1,080.02
6. Step 6: Final answer
   x = 847.65