Finding the Fourth Proportional to 11,016.36, 15,202.59 and 5,980.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.36 : 15,202.59 = 5,980.58 : x
2. Step 2: Convert to fraction form
   11,016.36/15,202.59 = 5,980.58/x
3. Step 3: Cross multiply
   11,016.36x = 15,202.59 × 5,980.58
4. Step 4: Simplify right side
   11,016.36x = 90,920,343.71
5. Step 5: Solve for x
   x = 90,920,343.71/11,016.36
6. Step 6: Final answer
   x = 8,253.21