Finding the Fourth Proportional to 10,993.31, 16,429.61 and 8,037.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.31 : 16,429.61 = 8,037.98 : x
2. Step 2: Convert to fraction form
   10,993.31/16,429.61 = 8,037.98/x
3. Step 3: Cross multiply
   10,993.31x = 16,429.61 × 8,037.98
4. Step 4: Simplify right side
   10,993.31x = 132,060,754.25
5. Step 5: Solve for x
   x = 132,060,754.25/10,993.31
6. Step 6: Final answer
   x = 12,012.83