Finding the Fourth Proportional to 2,986.32, 4,478.16 and 1,599.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.32 : 4,478.16 = 1,599.42 : x
2. Step 2: Convert to fraction form
   2,986.32/4,478.16 = 1,599.42/x
3. Step 3: Cross multiply
   2,986.32x = 4,478.16 × 1,599.42
4. Step 4: Simplify right side
   2,986.32x = 7,162,458.67
5. Step 5: Solve for x
   x = 7,162,458.67/2,986.32
6. Step 6: Final answer
   x = 2,398.42