Finding the Fourth Proportional to 9,056.76, 12,498.39 and 5,282.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.76 : 12,498.39 = 5,282.16 : x
2. Step 2: Convert to fraction form
   9,056.76/12,498.39 = 5,282.16/x
3. Step 3: Cross multiply
   9,056.76x = 12,498.39 × 5,282.16
4. Step 4: Simplify right side
   9,056.76x = 66,018,495.72
5. Step 5: Solve for x
   x = 66,018,495.72/9,056.76
6. Step 6: Final answer
   x = 7,289.42