Finding the Fourth Proportional to 10,826.07, 16,209.14 and 5,549.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.07 : 16,209.14 = 5,549.70 : x
2. Step 2: Convert to fraction form
   10,826.07/16,209.14 = 5,549.70/x
3. Step 3: Cross multiply
   10,826.07x = 16,209.14 × 5,549.70
4. Step 4: Simplify right side
   10,826.07x = 89,955,836.51
5. Step 5: Solve for x
   x = 89,955,836.51/10,826.07
6. Step 6: Final answer
   x = 8,309.19