Finding the Fourth Proportional to 3,616.17, 5,423.64 and 1,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.17 : 5,423.64 = 1,018.50 : x
2. Step 2: Convert to fraction form
   3,616.17/5,423.64 = 1,018.50/x
3. Step 3: Cross multiply
   3,616.17x = 5,423.64 × 1,018.50
4. Step 4: Simplify right side
   3,616.17x = 5,523,977.34
5. Step 5: Solve for x
   x = 5,523,977.34/3,616.17
6. Step 6: Final answer
   x = 1,527.58