Finding the Fourth Proportional to 9,146.76, 12,622.76 and 5,371

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.76 : 12,622.76 = 5,371 : x
2. Step 2: Convert to fraction form
   9,146.76/12,622.76 = 5,371/x
3. Step 3: Cross multiply
   9,146.76x = 12,622.76 × 5,371
4. Step 4: Simplify right side
   9,146.76x = 67,796,843.96
5. Step 5: Solve for x
   x = 67,796,843.96/9,146.76
6. Step 6: Final answer
   x = 7,412.12