Finding the Fourth Proportional to 11,704.37, 16,157.90 and 7,947.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,704.37 : 16,157.90 = 7,947.41 : x
2. Step 2: Convert to fraction form
   11,704.37/16,157.90 = 7,947.41/x
3. Step 3: Cross multiply
   11,704.37x = 16,157.90 × 7,947.41
4. Step 4: Simplify right side
   11,704.37x = 128,413,456.04
5. Step 5: Solve for x
   x = 128,413,456.04/11,704.37
6. Step 6: Final answer
   x = 10,971.41