Finding the Fourth Proportional to 1,141.01, 1,574.59 and 617.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.01 : 1,574.59 = 617.04 : x
2. Step 2: Convert to fraction form
   1,141.01/1,574.59 = 617.04/x
3. Step 3: Cross multiply
   1,141.01x = 1,574.59 × 617.04
4. Step 4: Simplify right side
   1,141.01x = 971,586.94
5. Step 5: Solve for x
   x = 971,586.94/1,141.01
6. Step 6: Final answer
   x = 851.52