Finding the Fourth Proportional to 9,265.50, 12,786.71 and 5,074.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.50 : 12,786.71 = 5,074.02 : x
2. Step 2: Convert to fraction form
   9,265.50/12,786.71 = 5,074.02/x
3. Step 3: Cross multiply
   9,265.50x = 12,786.71 × 5,074.02
4. Step 4: Simplify right side
   9,265.50x = 64,879,996.90
5. Step 5: Solve for x
   x = 64,879,996.90/9,265.50
6. Step 6: Final answer
   x = 7,002.32