Finding the Fourth Proportional to 10,855.78, 14,981.69 and 6,076.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.78 : 14,981.69 = 6,076.17 : x
2. Step 2: Convert to fraction form
   10,855.78/14,981.69 = 6,076.17/x
3. Step 3: Cross multiply
   10,855.78x = 14,981.69 × 6,076.17
4. Step 4: Simplify right side
   10,855.78x = 91,031,310.52
5. Step 5: Solve for x
   x = 91,031,310.52/10,855.78
6. Step 6: Final answer
   x = 8,385.52