Finding the Fourth Proportional to 11,340.99, 17,012.43 and 3,549.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,340.99 : 17,012.43 = 3,549.60 : x
2. Step 2: Convert to fraction form
   11,340.99/17,012.43 = 3,549.60/x
3. Step 3: Cross multiply
   11,340.99x = 17,012.43 × 3,549.60
4. Step 4: Simplify right side
   11,340.99x = 60,387,321.53
5. Step 5: Solve for x
   x = 60,387,321.53/11,340.99
6. Step 6: Final answer
   x = 5,324.70