Finding the Fourth Proportional to 9,336.88, 12,884.63 and 5,303.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.88 : 12,884.63 = 5,303.46 : x
2. Step 2: Convert to fraction form
   9,336.88/12,884.63 = 5,303.46/x
3. Step 3: Cross multiply
   9,336.88x = 12,884.63 × 5,303.46
4. Step 4: Simplify right side
   9,336.88x = 68,333,119.82
5. Step 5: Solve for x
   x = 68,333,119.82/9,336.88
6. Step 6: Final answer
   x = 7,318.62