Finding the Fourth Proportional to 3,591.50, 5,387.57 and 994.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.50 : 5,387.57 = 994.46 : x
2. Step 2: Convert to fraction form
   3,591.50/5,387.57 = 994.46/x
3. Step 3: Cross multiply
   3,591.50x = 5,387.57 × 994.46
4. Step 4: Simplify right side
   3,591.50x = 5,357,717.89
5. Step 5: Solve for x
   x = 5,357,717.89/3,591.50
6. Step 6: Final answer
   x = 1,491.78