Finding the Fourth Proportional to 11,744.68, 17,619.72 and 3,953.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,744.68 : 17,619.72 = 3,953.30 : x
2. Step 2: Convert to fraction form
   11,744.68/17,619.72 = 3,953.30/x
3. Step 3: Cross multiply
   11,744.68x = 17,619.72 × 3,953.30
4. Step 4: Simplify right side
   11,744.68x = 69,656,039.08
5. Step 5: Solve for x
   x = 69,656,039.08/11,744.68
6. Step 6: Final answer
   x = 5,930.86