Finding the Fourth Proportional to 9,281.89, 12,809.88 and 5,303.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.89 : 12,809.88 = 5,303.02 : x
2. Step 2: Convert to fraction form
   9,281.89/12,809.88 = 5,303.02/x
3. Step 3: Cross multiply
   9,281.89x = 12,809.88 × 5,303.02
4. Step 4: Simplify right side
   9,281.89x = 67,931,049.84
5. Step 5: Solve for x
   x = 67,931,049.84/9,281.89
6. Step 6: Final answer
   x = 7,318.67