Finding the Fourth Proportional to 1,103.91, 1,656.27 and 616.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.91 : 1,656.27 = 616.83 : x
2. Step 2: Convert to fraction form
   1,103.91/1,656.27 = 616.83/x
3. Step 3: Cross multiply
   1,103.91x = 1,656.27 × 616.83
4. Step 4: Simplify right side
   1,103.91x = 1,021,637.02
5. Step 5: Solve for x
   x = 1,021,637.02/1,103.91
6. Step 6: Final answer
   x = 925.47