Finding the Fourth Proportional to 11,947.86, 17,915.62 and 5,368.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.86 : 17,915.62 = 5,368.42 : x
2. Step 2: Convert to fraction form
   11,947.86/17,915.62 = 5,368.42/x
3. Step 3: Cross multiply
   11,947.86x = 17,915.62 × 5,368.42
4. Step 4: Simplify right side
   11,947.86x = 96,178,572.72
5. Step 5: Solve for x
   x = 96,178,572.72/11,947.86
6. Step 6: Final answer
   x = 8,049.86