Finding the Fourth Proportional to 3,615.69, 5,423.72 and 1,018.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.69 : 5,423.72 = 1,018.83 : x
2. Step 2: Convert to fraction form
   3,615.69/5,423.72 = 1,018.83/x
3. Step 3: Cross multiply
   3,615.69x = 5,423.72 × 1,018.83
4. Step 4: Simplify right side
   3,615.69x = 5,525,848.65
5. Step 5: Solve for x
   x = 5,525,848.65/3,615.69
6. Step 6: Final answer
   x = 1,528.30