Finding the Fourth Proportional to 2,191.76, 3,288.25 and 1,151.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.76 : 3,288.25 = 1,151.52 : x
2. Step 2: Convert to fraction form
   2,191.76/3,288.25 = 1,151.52/x
3. Step 3: Cross multiply
   2,191.76x = 3,288.25 × 1,151.52
4. Step 4: Simplify right side
   2,191.76x = 3,786,468.27
5. Step 5: Solve for x
   x = 3,786,468.27/2,191.76
6. Step 6: Final answer
   x = 1,727.59