Finding the Fourth Proportional to 9,210.50, 13,799.37 and 5,306.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.50 : 13,799.37 = 5,306.84 : x
2. Step 2: Convert to fraction form
   9,210.50/13,799.37 = 5,306.84/x
3. Step 3: Cross multiply
   9,210.50x = 13,799.37 × 5,306.84
4. Step 4: Simplify right side
   9,210.50x = 73,231,048.69
5. Step 5: Solve for x
   x = 73,231,048.69/9,210.50
6. Step 6: Final answer
   x = 7,950.82