Finding the Fourth Proportional to 9,954.72, 14,930.46 and 3,380.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,954.72 : 14,930.46 = 3,380.76 : x
2. Step 2: Convert to fraction form
   9,954.72/14,930.46 = 3,380.76/x
3. Step 3: Cross multiply
   9,954.72x = 14,930.46 × 3,380.76
4. Step 4: Simplify right side
   9,954.72x = 50,476,301.95
5. Step 5: Solve for x
   x = 50,476,301.95/9,954.72
6. Step 6: Final answer
   x = 5,070.59