Finding the Fourth Proportional to 11,061.84, 16,590.42 and 3,664.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.84 : 16,590.42 = 3,664.56 : x
2. Step 2: Convert to fraction form
   11,061.84/16,590.42 = 3,664.56/x
3. Step 3: Cross multiply
   11,061.84x = 16,590.42 × 3,664.56
4. Step 4: Simplify right side
   11,061.84x = 60,796,589.52
5. Step 5: Solve for x
   x = 60,796,589.52/11,061.84
6. Step 6: Final answer
   x = 5,496.06