Finding the Fourth Proportional to 9,955.14, 14,929.15 and 3,290.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,955.14 : 14,929.15 = 3,290.41 : x
2. Step 2: Convert to fraction form
   9,955.14/14,929.15 = 3,290.41/x
3. Step 3: Cross multiply
   9,955.14x = 14,929.15 × 3,290.41
4. Step 4: Simplify right side
   9,955.14x = 49,123,024.45
5. Step 5: Solve for x
   x = 49,123,024.45/9,955.14
6. Step 6: Final answer
   x = 4,934.44