Finding the Fourth Proportional to 9,250.59, 12,766.10 and 5,271.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.59 : 12,766.10 = 5,271.62 : x
2. Step 2: Convert to fraction form
   9,250.59/12,766.10 = 5,271.62/x
3. Step 3: Cross multiply
   9,250.59x = 12,766.10 × 5,271.62
4. Step 4: Simplify right side
   9,250.59x = 67,297,937.89
5. Step 5: Solve for x
   x = 67,297,937.89/9,250.59
6. Step 6: Final answer
   x = 7,274.99