Finding the Fourth Proportional to 10,287.58, 14,196.96 and 5,571.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.58 : 14,196.96 = 5,571.96 : x
2. Step 2: Convert to fraction form
   10,287.58/14,196.96 = 5,571.96/x
3. Step 3: Cross multiply
   10,287.58x = 14,196.96 × 5,571.96
4. Step 4: Simplify right side
   10,287.58x = 79,104,893.24
5. Step 5: Solve for x
   x = 79,104,893.24/10,287.58
6. Step 6: Final answer
   x = 7,689.36