Finding the Fourth Proportional to 9,056.32, 12,498.20 and 5,228.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.32 : 12,498.20 = 5,228.46 : x
2. Step 2: Convert to fraction form
   9,056.32/12,498.20 = 5,228.46/x
3. Step 3: Cross multiply
   9,056.32x = 12,498.20 × 5,228.46
4. Step 4: Simplify right side
   9,056.32x = 65,346,338.77
5. Step 5: Solve for x
   x = 65,346,338.77/9,056.32
6. Step 6: Final answer
   x = 7,215.55