Finding the Fourth Proportional to 10,608.72, 14,639.16 and 5,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.72 : 14,639.16 = 5,892.88 : x
2. Step 2: Convert to fraction form
   10,608.72/14,639.16 = 5,892.88/x
3. Step 3: Cross multiply
   10,608.72x = 14,639.16 × 5,892.88
4. Step 4: Simplify right side
   10,608.72x = 86,266,813.18
5. Step 5: Solve for x
   x = 86,266,813.18/10,608.72
6. Step 6: Final answer
   x = 8,131.69