Finding the Fourth Proportional to 11,879.39, 17,817.27 and 5,304.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,879.39 : 17,817.27 = 5,304.42 : x
2. Step 2: Convert to fraction form
   11,879.39/17,817.27 = 5,304.42/x
3. Step 3: Cross multiply
   11,879.39x = 17,817.27 × 5,304.42
4. Step 4: Simplify right side
   11,879.39x = 94,510,263.44
5. Step 5: Solve for x
   x = 94,510,263.44/11,879.39
6. Step 6: Final answer
   x = 7,955.82