Finding the Fourth Proportional to 8,010.06, 11,057.61 and 5,359.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,010.06 : 11,057.61 = 5,359.20 : x
2. Step 2: Convert to fraction form
   8,010.06/11,057.61 = 5,359.20/x
3. Step 3: Cross multiply
   8,010.06x = 11,057.61 × 5,359.20
4. Step 4: Simplify right side
   8,010.06x = 59,259,943.51
5. Step 5: Solve for x
   x = 59,259,943.51/8,010.06
6. Step 6: Final answer
   x = 7,398.19