Finding the Fourth Proportional to 11,424, 17,131.74 and 3,926.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,424 : 17,131.74 = 3,926.01 : x
2. Step 2: Convert to fraction form
   11,424/17,131.74 = 3,926.01/x
3. Step 3: Cross multiply
   11,424x = 17,131.74 × 3,926.01
4. Step 4: Simplify right side
   11,424x = 67,259,382.56
5. Step 5: Solve for x
   x = 67,259,382.56/11,424
6. Step 6: Final answer
   x = 5,887.55