Finding the Fourth Proportional to 3,013.18, 4,521.22 and 1,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,013.18 : 4,521.22 = 1,066.30 : x
2. Step 2: Convert to fraction form
   3,013.18/4,521.22 = 1,066.30/x
3. Step 3: Cross multiply
   3,013.18x = 4,521.22 × 1,066.30
4. Step 4: Simplify right side
   3,013.18x = 4,820,976.89
5. Step 5: Solve for x
   x = 4,820,976.89/3,013.18
6. Step 6: Final answer
   x = 1,599.96