Finding the Fourth Proportional to 9,290.79, 13,930.99 and 3,049.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.79 : 13,930.99 = 3,049.13 : x
2. Step 2: Convert to fraction form
   9,290.79/13,930.99 = 3,049.13/x
3. Step 3: Cross multiply
   9,290.79x = 13,930.99 × 3,049.13
4. Step 4: Simplify right side
   9,290.79x = 42,477,426.74
5. Step 5: Solve for x
   x = 42,477,426.74/9,290.79
6. Step 6: Final answer
   x = 4,571.99