Finding the Fourth Proportional to 3,592.39, 5,387.97 and 994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,592.39 : 5,387.97 = 994.72 : x
2. Step 2: Convert to fraction form
   3,592.39/5,387.97 = 994.72/x
3. Step 3: Cross multiply
   3,592.39x = 5,387.97 × 994.72
4. Step 4: Simplify right side
   3,592.39x = 5,359,521.52
5. Step 5: Solve for x
   x = 5,359,521.52/3,592.39
6. Step 6: Final answer
   x = 1,491.91