Finding the Fourth Proportional to 10,826.50, 14,940.66 and 5,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.50 : 14,940.66 = 5,858.50 : x
2. Step 2: Convert to fraction form
   10,826.50/14,940.66 = 5,858.50/x
3. Step 3: Cross multiply
   10,826.50x = 14,940.66 × 5,858.50
4. Step 4: Simplify right side
   10,826.50x = 87,529,856.61
5. Step 5: Solve for x
   x = 87,529,856.61/10,826.50
6. Step 6: Final answer
   x = 8,084.78