Finding the Fourth Proportional to 9,475.84, 13,076.50 and 5,227.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,475.84 : 13,076.50 = 5,227.31 : x
2. Step 2: Convert to fraction form
   9,475.84/13,076.50 = 5,227.31/x
3. Step 3: Cross multiply
   9,475.84x = 13,076.50 × 5,227.31
4. Step 4: Simplify right side
   9,475.84x = 68,354,919.22
5. Step 5: Solve for x
   x = 68,354,919.22/9,475.84
6. Step 6: Final answer
   x = 7,213.60