Finding the Fourth Proportional to 1,092.08, 1,629.72 and 975.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.08 : 1,629.72 = 975.30 : x
2. Step 2: Convert to fraction form
   1,092.08/1,629.72 = 975.30/x
3. Step 3: Cross multiply
   1,092.08x = 1,629.72 × 975.30
4. Step 4: Simplify right side
   1,092.08x = 1,589,470.80
5. Step 5: Solve for x
   x = 1,589,470.80/1,092.08
6. Step 6: Final answer
   x = 1,455.46