Finding the Fourth Proportional to 9,476.21, 13,077.25 and 5,227.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476.21 : 13,077.25 = 5,227.42 : x
2. Step 2: Convert to fraction form
   9,476.21/13,077.25 = 5,227.42/x
3. Step 3: Cross multiply
   9,476.21x = 13,077.25 × 5,227.42
4. Step 4: Simplify right side
   9,476.21x = 68,360,256.95
5. Step 5: Solve for x
   x = 68,360,256.95/9,476.21
6. Step 6: Final answer
   x = 7,213.88