Finding the Fourth Proportional to 9,265.38, 12,786.12 and 5,073.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.38 : 12,786.12 = 5,073.63 : x
2. Step 2: Convert to fraction form
   9,265.38/12,786.12 = 5,073.63/x
3. Step 3: Cross multiply
   9,265.38x = 12,786.12 × 5,073.63
4. Step 4: Simplify right side
   9,265.38x = 64,872,042.02
5. Step 5: Solve for x
   x = 64,872,042.02/9,265.38
6. Step 6: Final answer
   x = 7,001.55