Finding the Fourth Proportional to 1,100.94, 1,650.51 and 691.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.94 : 1,650.51 = 691.08 : x
2. Step 2: Convert to fraction form
   1,100.94/1,650.51 = 691.08/x
3. Step 3: Cross multiply
   1,100.94x = 1,650.51 × 691.08
4. Step 4: Simplify right side
   1,100.94x = 1,140,634.45
5. Step 5: Solve for x
   x = 1,140,634.45/1,100.94
6. Step 6: Final answer
   x = 1,036.06