Finding the Fourth Proportional to 3,066.30, 4,599.72 and 986.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.30 : 4,599.72 = 986.22 : x
2. Step 2: Convert to fraction form
   3,066.30/4,599.72 = 986.22/x
3. Step 3: Cross multiply
   3,066.30x = 4,599.72 × 986.22
4. Step 4: Simplify right side
   3,066.30x = 4,536,335.86
5. Step 5: Solve for x
   x = 4,536,335.86/3,066.30
6. Step 6: Final answer
   x = 1,479.42