Finding the Fourth Proportional to 9,253.71, 12,770.01 and 5,274.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,253.71 : 12,770.01 = 5,274.81 : x
2. Step 2: Convert to fraction form
   9,253.71/12,770.01 = 5,274.81/x
3. Step 3: Cross multiply
   9,253.71x = 12,770.01 × 5,274.81
4. Step 4: Simplify right side
   9,253.71x = 67,359,376.45
5. Step 5: Solve for x
   x = 67,359,376.45/9,253.71
6. Step 6: Final answer
   x = 7,279.18