Finding the Fourth Proportional to 11,323.80, 16,979.63 and 3,926.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.80 : 16,979.63 = 3,926.07 : x
2. Step 2: Convert to fraction form
   11,323.80/16,979.63 = 3,926.07/x
3. Step 3: Cross multiply
   11,323.80x = 16,979.63 × 3,926.07
4. Step 4: Simplify right side
   11,323.80x = 66,663,196.32
5. Step 5: Solve for x
   x = 66,663,196.32/11,323.80
6. Step 6: Final answer
   x = 5,887.00