Finding the Fourth Proportional to 9,156.42, 12,635.82 and 4,964.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,156.42 : 12,635.82 = 4,964.67 : x
2. Step 2: Convert to fraction form
   9,156.42/12,635.82 = 4,964.67/x
3. Step 3: Cross multiply
   9,156.42x = 12,635.82 × 4,964.67
4. Step 4: Simplify right side
   9,156.42x = 62,732,676.48
5. Step 5: Solve for x
   x = 62,732,676.48/9,156.42
6. Step 6: Final answer
   x = 6,851.22