Finding the Fourth Proportional to 11,583.36, 17,365.32 and 4,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,583.36 : 17,365.32 = 4,662.72 : x
2. Step 2: Convert to fraction form
   11,583.36/17,365.32 = 4,662.72/x
3. Step 3: Cross multiply
   11,583.36x = 17,365.32 × 4,662.72
4. Step 4: Simplify right side
   11,583.36x = 80,969,624.87
5. Step 5: Solve for x
   x = 80,969,624.87/11,583.36
6. Step 6: Final answer
   x = 6,990.17