Finding the Fourth Proportional to 9,429.80, 14,146.52 and 3,190.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.80 : 14,146.52 = 3,190.83 : x
2. Step 2: Convert to fraction form
   9,429.80/14,146.52 = 3,190.83/x
3. Step 3: Cross multiply
   9,429.80x = 14,146.52 × 3,190.83
4. Step 4: Simplify right side
   9,429.80x = 45,139,069.68
5. Step 5: Solve for x
   x = 45,139,069.68/9,429.80
6. Step 6: Final answer
   x = 4,786.85