Finding the Fourth Proportional to 10,687.74, 16,028.86 and 5,059.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.74 : 16,028.86 = 5,059.86 : x
2. Step 2: Convert to fraction form
   10,687.74/16,028.86 = 5,059.86/x
3. Step 3: Cross multiply
   10,687.74x = 16,028.86 × 5,059.86
4. Step 4: Simplify right side
   10,687.74x = 81,103,682.12
5. Step 5: Solve for x
   x = 81,103,682.12/10,687.74
6. Step 6: Final answer
   x = 7,588.48