Finding the Fourth Proportional to 8,116.16, 11,196.05 and 5,280.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.16 : 11,196.05 = 5,280.03 : x
2. Step 2: Convert to fraction form
   8,116.16/11,196.05 = 5,280.03/x
3. Step 3: Cross multiply
   8,116.16x = 11,196.05 × 5,280.03
4. Step 4: Simplify right side
   8,116.16x = 59,115,453.48
5. Step 5: Solve for x
   x = 59,115,453.48/8,116.16
6. Step 6: Final answer
   x = 7,283.68