Finding the Fourth Proportional to 10,287.64, 14,196.93 and 5,571.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.64 : 14,196.93 = 5,571.94 : x
2. Step 2: Convert to fraction form
   10,287.64/14,196.93 = 5,571.94/x
3. Step 3: Cross multiply
   10,287.64x = 14,196.93 × 5,571.94
4. Step 4: Simplify right side
   10,287.64x = 79,104,442.14
5. Step 5: Solve for x
   x = 79,104,442.14/10,287.64
6. Step 6: Final answer
   x = 7,689.27