Finding the Fourth Proportional to 10,262.62, 15,395.69 and 3,689.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,262.62 : 15,395.69 = 3,689.47 : x
2. Step 2: Convert to fraction form
   10,262.62/15,395.69 = 3,689.47/x
3. Step 3: Cross multiply
   10,262.62x = 15,395.69 × 3,689.47
4. Step 4: Simplify right side
   10,262.62x = 56,801,936.38
5. Step 5: Solve for x
   x = 56,801,936.38/10,262.62
6. Step 6: Final answer
   x = 5,534.84