Finding the Fourth Proportional to 9,294.48, 12,826.16 and 5,315.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,294.48 : 12,826.16 = 5,315.35 : x
2. Step 2: Convert to fraction form
   9,294.48/12,826.16 = 5,315.35/x
3. Step 3: Cross multiply
   9,294.48x = 12,826.16 × 5,315.35
4. Step 4: Simplify right side
   9,294.48x = 68,175,529.56
5. Step 5: Solve for x
   x = 68,175,529.56/9,294.48
6. Step 6: Final answer
   x = 7,335.06