Finding the Fourth Proportional to 10,699.90, 16,047.42 and 5,150.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,699.90 : 16,047.42 = 5,150.41 : x
2. Step 2: Convert to fraction form
   10,699.90/16,047.42 = 5,150.41/x
3. Step 3: Cross multiply
   10,699.90x = 16,047.42 × 5,150.41
4. Step 4: Simplify right side
   10,699.90x = 82,650,792.44
5. Step 5: Solve for x
   x = 82,650,792.44/10,699.90
6. Step 6: Final answer
   x = 7,724.45