Finding the Fourth Proportional to 10,689.57, 16,042.05 and 4,847.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,689.57 : 16,042.05 = 4,847.04 : x
2. Step 2: Convert to fraction form
   10,689.57/16,042.05 = 4,847.04/x
3. Step 3: Cross multiply
   10,689.57x = 16,042.05 × 4,847.04
4. Step 4: Simplify right side
   10,689.57x = 77,756,458.03
5. Step 5: Solve for x
   x = 77,756,458.03/10,689.57
6. Step 6: Final answer
   x = 7,274.05