Finding the Fourth Proportional to 10,995.12, 16,498.08 and 5,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.12 : 16,498.08 = 5,152.16 : x
2. Step 2: Convert to fraction form
   10,995.12/16,498.08 = 5,152.16/x
3. Step 3: Cross multiply
   10,995.12x = 16,498.08 × 5,152.16
4. Step 4: Simplify right side
   10,995.12x = 85,000,747.85
5. Step 5: Solve for x
   x = 85,000,747.85/10,995.12
6. Step 6: Final answer
   x = 7,730.77