Finding the Fourth Proportional to 9,265.75, 12,787.05 and 5,074.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.75 : 12,787.05 = 5,074.27 : x
2. Step 2: Convert to fraction form
   9,265.75/12,787.05 = 5,074.27/x
3. Step 3: Cross multiply
   9,265.75x = 12,787.05 × 5,074.27
4. Step 4: Simplify right side
   9,265.75x = 64,884,944.20
5. Step 5: Solve for x
   x = 64,884,944.20/9,265.75
6. Step 6: Final answer
   x = 7,002.67