Finding the Fourth Proportional to 11,016.61, 15,202.94 and 5,980.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.61 : 15,202.94 = 5,980.83 : x
2. Step 2: Convert to fraction form
   11,016.61/15,202.94 = 5,980.83/x
3. Step 3: Cross multiply
   11,016.61x = 15,202.94 × 5,980.83
4. Step 4: Simplify right side
   11,016.61x = 90,926,199.64
5. Step 5: Solve for x
   x = 90,926,199.64/11,016.61
6. Step 6: Final answer
   x = 8,253.56