Finding the Fourth Proportional to 9,661.32, 14,498.43 and 3,421.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,661.32 : 14,498.43 = 3,421.29 : x
2. Step 2: Convert to fraction form
   9,661.32/14,498.43 = 3,421.29/x
3. Step 3: Cross multiply
   9,661.32x = 14,498.43 × 3,421.29
4. Step 4: Simplify right side
   9,661.32x = 49,603,333.57
5. Step 5: Solve for x
   x = 49,603,333.57/9,661.32
6. Step 6: Final answer
   x = 5,134.22