Finding the Fourth Proportional to 9,016.79, 12,443.09 and 5,037.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.79 : 12,443.09 = 5,037.80 : x
2. Step 2: Convert to fraction form
   9,016.79/12,443.09 = 5,037.80/x
3. Step 3: Cross multiply
   9,016.79x = 12,443.09 × 5,037.80
4. Step 4: Simplify right side
   9,016.79x = 62,685,711.40
5. Step 5: Solve for x
   x = 62,685,711.40/9,016.79
6. Step 6: Final answer
   x = 6,952.11