Finding the Fourth Proportional to 10,688.02, 16,035.50 and 5,141.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.02 : 16,035.50 = 5,141.80 : x
2. Step 2: Convert to fraction form
   10,688.02/16,035.50 = 5,141.80/x
3. Step 3: Cross multiply
   10,688.02x = 16,035.50 × 5,141.80
4. Step 4: Simplify right side
   10,688.02x = 82,451,333.90
5. Step 5: Solve for x
   x = 82,451,333.90/10,688.02
6. Step 6: Final answer
   x = 7,714.37