Finding the Fourth Proportional to 2,191.33, 3,288.74 and 1,151.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.33 : 3,288.74 = 1,151.94 : x
2. Step 2: Convert to fraction form
   2,191.33/3,288.74 = 1,151.94/x
3. Step 3: Cross multiply
   2,191.33x = 3,288.74 × 1,151.94
4. Step 4: Simplify right side
   2,191.33x = 3,788,447.45
5. Step 5: Solve for x
   x = 3,788,447.45/2,191.33
6. Step 6: Final answer
   x = 1,728.83