Finding the Fourth Proportional to 9,621.83, 14,434.27 and 3,698.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,621.83 : 14,434.27 = 3,698.48 : x
2. Step 2: Convert to fraction form
   9,621.83/14,434.27 = 3,698.48/x
3. Step 3: Cross multiply
   9,621.83x = 14,434.27 × 3,698.48
4. Step 4: Simplify right side
   9,621.83x = 53,384,885.75
5. Step 5: Solve for x
   x = 53,384,885.75/9,621.83
6. Step 6: Final answer
   x = 5,548.31