Finding the Fourth Proportional to 11,433.84, 17,142.12 and 3,638.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.84 : 17,142.12 = 3,638.16 : x
2. Step 2: Convert to fraction form
   11,433.84/17,142.12 = 3,638.16/x
3. Step 3: Cross multiply
   11,433.84x = 17,142.12 × 3,638.16
4. Step 4: Simplify right side
   11,433.84x = 62,365,775.30
5. Step 5: Solve for x
   x = 62,365,775.30/11,433.84
6. Step 6: Final answer
   x = 5,454.49