Finding the Fourth Proportional to 8,894.84, 12,276.58 and 5,120.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,894.84 : 12,276.58 = 5,120.50 : x
2. Step 2: Convert to fraction form
   8,894.84/12,276.58 = 5,120.50/x
3. Step 3: Cross multiply
   8,894.84x = 12,276.58 × 5,120.50
4. Step 4: Simplify right side
   8,894.84x = 62,862,227.89
5. Step 5: Solve for x
   x = 62,862,227.89/8,894.84
6. Step 6: Final answer
   x = 7,067.27