Finding the Fourth Proportional to 9,294.10, 12,826.06 and 5,315.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,294.10 : 12,826.06 = 5,315.58 : x
2. Step 2: Convert to fraction form
   9,294.10/12,826.06 = 5,315.58/x
3. Step 3: Cross multiply
   9,294.10x = 12,826.06 × 5,315.58
4. Step 4: Simplify right side
   9,294.10x = 68,177,948.01
5. Step 5: Solve for x
   x = 68,177,948.01/9,294.10
6. Step 6: Final answer
   x = 7,335.62