Finding the Fourth Proportional to 9,210.68, 12,712.37 and 5,433.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.68 : 12,712.37 = 5,433.62 : x
2. Step 2: Convert to fraction form
   9,210.68/12,712.37 = 5,433.62/x
3. Step 3: Cross multiply
   9,210.68x = 12,712.37 × 5,433.62
4. Step 4: Simplify right side
   9,210.68x = 69,074,187.88
5. Step 5: Solve for x
   x = 69,074,187.88/9,210.68
6. Step 6: Final answer
   x = 7,499.36