Finding the Fourth Proportional to 9,316.43, 12,856.83 and 5,337.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.43 : 12,856.83 = 5,337.89 : x
2. Step 2: Convert to fraction form
   9,316.43/12,856.83 = 5,337.89/x
3. Step 3: Cross multiply
   9,316.43x = 12,856.83 × 5,337.89
4. Step 4: Simplify right side
   9,316.43x = 68,628,344.29
5. Step 5: Solve for x
   x = 68,628,344.29/9,316.43
6. Step 6: Final answer
   x = 7,366.38