Finding the Fourth Proportional to 9,610.72, 14,418.17 and 2,947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,610.72 : 14,418.17 = 2,947.22 : x
2. Step 2: Convert to fraction form
   9,610.72/14,418.17 = 2,947.22/x
3. Step 3: Cross multiply
   9,610.72x = 14,418.17 × 2,947.22
4. Step 4: Simplify right side
   9,610.72x = 42,493,497.28
5. Step 5: Solve for x
   x = 42,493,497.28/9,610.72
6. Step 6: Final answer
   x = 4,421.47