Finding the Fourth Proportional to 1,104.31, 1,655.93 and 617.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.31 : 1,655.93 = 617.23 : x
2. Step 2: Convert to fraction form
   1,104.31/1,655.93 = 617.23/x
3. Step 3: Cross multiply
   1,104.31x = 1,655.93 × 617.23
4. Step 4: Simplify right side
   1,104.31x = 1,022,086.59
5. Step 5: Solve for x
   x = 1,022,086.59/1,104.31
6. Step 6: Final answer
   x = 925.54