Finding the Fourth Proportional to 11,083.99, 16,621.20 and 3,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,083.99 : 16,621.20 = 3,585.31 : x
2. Step 2: Convert to fraction form
   11,083.99/16,621.20 = 3,585.31/x
3. Step 3: Cross multiply
   11,083.99x = 16,621.20 × 3,585.31
4. Step 4: Simplify right side
   11,083.99x = 59,592,206.51
5. Step 5: Solve for x
   x = 59,592,206.51/11,083.99
6. Step 6: Final answer
   x = 5,376.42