Finding the Fourth Proportional to 10,818.50, 14,929.54 and 5,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.50 : 14,929.54 = 5,850.50 : x
2. Step 2: Convert to fraction form
   10,818.50/14,929.54 = 5,850.50/x
3. Step 3: Cross multiply
   10,818.50x = 14,929.54 × 5,850.50
4. Step 4: Simplify right side
   10,818.50x = 87,345,273.77
5. Step 5: Solve for x
   x = 87,345,273.77/10,818.50
6. Step 6: Final answer
   x = 8,073.70