Finding the Fourth Proportional to 9,056.82, 12,498.89 and 5,228.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.82 : 12,498.89 = 5,228.96 : x
2. Step 2: Convert to fraction form
   9,056.82/12,498.89 = 5,228.96/x
3. Step 3: Cross multiply
   9,056.82x = 12,498.89 × 5,228.96
4. Step 4: Simplify right side
   9,056.82x = 65,356,195.85
5. Step 5: Solve for x
   x = 65,356,195.85/9,056.82
6. Step 6: Final answer
   x = 7,216.24