Finding the Fourth Proportional to 2,288.35, 3,155.95 and 1,491.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.35 : 3,155.95 = 1,491.38 : x
2. Step 2: Convert to fraction form
   2,288.35/3,155.95 = 1,491.38/x
3. Step 3: Cross multiply
   2,288.35x = 3,155.95 × 1,491.38
4. Step 4: Simplify right side
   2,288.35x = 4,706,713.25
5. Step 5: Solve for x
   x = 4,706,713.25/2,288.35
6. Step 6: Final answer
   x = 2,056.82