Finding the Fourth Proportional to 11,405.86, 17,110.43 and 3,509.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,405.86 : 17,110.43 = 3,509.04 : x
2. Step 2: Convert to fraction form
   11,405.86/17,110.43 = 3,509.04/x
3. Step 3: Cross multiply
   11,405.86x = 17,110.43 × 3,509.04
4. Step 4: Simplify right side
   11,405.86x = 60,041,150.91
5. Step 5: Solve for x
   x = 60,041,150.91/11,405.86
6. Step 6: Final answer
   x = 5,264.06