Finding the Fourth Proportional to 1,104.30, 1,656.72 and 617.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.30 : 1,656.72 = 617.69 : x
2. Step 2: Convert to fraction form
   1,104.30/1,656.72 = 617.69/x
3. Step 3: Cross multiply
   1,104.30x = 1,656.72 × 617.69
4. Step 4: Simplify right side
   1,104.30x = 1,023,343.52
5. Step 5: Solve for x
   x = 1,023,343.52/1,104.30
6. Step 6: Final answer
   x = 926.69