Finding the Fourth Proportional to 11,727.86, 17,588.94 and 3,405.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,727.86 : 17,588.94 = 3,405.62 : x
2. Step 2: Convert to fraction form
   11,727.86/17,588.94 = 3,405.62/x
3. Step 3: Cross multiply
   11,727.86x = 17,588.94 × 3,405.62
4. Step 4: Simplify right side
   11,727.86x = 59,901,157.90
5. Step 5: Solve for x
   x = 59,901,157.90/11,727.86
6. Step 6: Final answer
   x = 5,107.60