Finding the Fourth Proportional to 11,357.72, 17,039.50 and 3,566.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357.72 : 17,039.50 = 3,566.60 : x
2. Step 2: Convert to fraction form
   11,357.72/17,039.50 = 3,566.60/x
3. Step 3: Cross multiply
   11,357.72x = 17,039.50 × 3,566.60
4. Step 4: Simplify right side
   11,357.72x = 60,773,080.70
5. Step 5: Solve for x
   x = 60,773,080.70/11,357.72
6. Step 6: Final answer
   x = 5,350.82