Finding the Fourth Proportional to 9,863.69, 13,611.54 and 5,614.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.69 : 13,611.54 = 5,614.43 : x
2. Step 2: Convert to fraction form
   9,863.69/13,611.54 = 5,614.43/x
3. Step 3: Cross multiply
   9,863.69x = 13,611.54 × 5,614.43
4. Step 4: Simplify right side
   9,863.69x = 76,421,038.52
5. Step 5: Solve for x
   x = 76,421,038.52/9,863.69
6. Step 6: Final answer
   x = 7,747.71