Finding the Fourth Proportional to 12,433.10, 18,644.18 and 5,035.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,433.10 : 18,644.18 = 5,035.57 : x
2. Step 2: Convert to fraction form
   12,433.10/18,644.18 = 5,035.57/x
3. Step 3: Cross multiply
   12,433.10x = 18,644.18 × 5,035.57
4. Step 4: Simplify right side
   12,433.10x = 93,884,001.69
5. Step 5: Solve for x
   x = 93,884,001.69/12,433.10
6. Step 6: Final answer
   x = 7,551.14