Finding the Fourth Proportional to 9,958.50, 14,938.83 and 3,385.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958.50 : 14,938.83 = 3,385.17 : x
2. Step 2: Convert to fraction form
   9,958.50/14,938.83 = 3,385.17/x
3. Step 3: Cross multiply
   9,958.50x = 14,938.83 × 3,385.17
4. Step 4: Simplify right side
   9,958.50x = 50,570,479.15
5. Step 5: Solve for x
   x = 50,570,479.15/9,958.50
6. Step 6: Final answer
   x = 5,078.12