Finding the Fourth Proportional to 9,142.76, 12,617.22 and 5,367

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.76 : 12,617.22 = 5,367 : x
2. Step 2: Convert to fraction form
   9,142.76/12,617.22 = 5,367/x
3. Step 3: Cross multiply
   9,142.76x = 12,617.22 × 5,367
4. Step 4: Simplify right side
   9,142.76x = 67,716,619.74
5. Step 5: Solve for x
   x = 67,716,619.74/9,142.76
6. Step 6: Final answer
   x = 7,406.58