Finding the Fourth Proportional to 9,282.89, 12,811.06 and 5,303.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,282.89 : 12,811.06 = 5,303.91 : x
2. Step 2: Convert to fraction form
   9,282.89/12,811.06 = 5,303.91/x
3. Step 3: Cross multiply
   9,282.89x = 12,811.06 × 5,303.91
4. Step 4: Simplify right side
   9,282.89x = 67,948,709.24
5. Step 5: Solve for x
   x = 67,948,709.24/9,282.89
6. Step 6: Final answer
   x = 7,319.78