Finding the Fourth Proportional to 10,696.42, 16,031.25 and 5,148.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,696.42 : 16,031.25 = 5,148.28 : x
2. Step 2: Convert to fraction form
   10,696.42/16,031.25 = 5,148.28/x
3. Step 3: Cross multiply
   10,696.42x = 16,031.25 × 5,148.28
4. Step 4: Simplify right side
   10,696.42x = 82,533,363.75
5. Step 5: Solve for x
   x = 82,533,363.75/10,696.42
6. Step 6: Final answer
   x = 7,715.98