Finding the Fourth Proportional to 10,700.90, 16,048.92 and 5,151.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.90 : 16,048.92 = 5,151.42 : x
2. Step 2: Convert to fraction form
   10,700.90/16,048.92 = 5,151.42/x
3. Step 3: Cross multiply
   10,700.90x = 16,048.92 × 5,151.42
4. Step 4: Simplify right side
   10,700.90x = 82,674,727.47
5. Step 5: Solve for x
   x = 82,674,727.47/10,700.90
6. Step 6: Final answer
   x = 7,725.96