Finding the Fourth Proportional to 8,892.40, 12,272.22 and 5,116.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.40 : 12,272.22 = 5,116.76 : x
2. Step 2: Convert to fraction form
   8,892.40/12,272.22 = 5,116.76/x
3. Step 3: Cross multiply
   8,892.40x = 12,272.22 × 5,116.76
4. Step 4: Simplify right side
   8,892.40x = 62,794,004.41
5. Step 5: Solve for x
   x = 62,794,004.41/8,892.40
6. Step 6: Final answer
   x = 7,061.54