Finding the Fourth Proportional to 11,726.37, 17,588.88 and 3,406.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726.37 : 17,588.88 = 3,406.19 : x
2. Step 2: Convert to fraction form
   11,726.37/17,588.88 = 3,406.19/x
3. Step 3: Cross multiply
   11,726.37x = 17,588.88 × 3,406.19
4. Step 4: Simplify right side
   11,726.37x = 59,910,979.22
5. Step 5: Solve for x
   x = 59,910,979.22/11,726.37
6. Step 6: Final answer
   x = 5,109.08