Finding the Fourth Proportional to 11,726.83, 17,591.16 and 3,406.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726.83 : 17,591.16 = 3,406.98 : x
2. Step 2: Convert to fraction form
   11,726.83/17,591.16 = 3,406.98/x
3. Step 3: Cross multiply
   11,726.83x = 17,591.16 × 3,406.98
4. Step 4: Simplify right side
   11,726.83x = 59,932,713.26
5. Step 5: Solve for x
   x = 59,932,713.26/11,726.83
6. Step 6: Final answer
   x = 5,110.74