Finding the Fourth Proportional to 1,162.52, 1,751.78 and 961.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.52 : 1,751.78 = 961.61 : x
2. Step 2: Convert to fraction form
   1,162.52/1,751.78 = 961.61/x
3. Step 3: Cross multiply
   1,162.52x = 1,751.78 × 961.61
4. Step 4: Simplify right side
   1,162.52x = 1,684,526.76
5. Step 5: Solve for x
   x = 1,684,526.76/1,162.52
6. Step 6: Final answer
   x = 1,449.03