Finding the Fourth Proportional to 9,300.40, 13,949.06 and 3,060.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.40 : 13,949.06 = 3,060.49 : x
2. Step 2: Convert to fraction form
   9,300.40/13,949.06 = 3,060.49/x
3. Step 3: Cross multiply
   9,300.40x = 13,949.06 × 3,060.49
4. Step 4: Simplify right side
   9,300.40x = 42,690,943.34
5. Step 5: Solve for x
   x = 42,690,943.34/9,300.40
6. Step 6: Final answer
   x = 4,590.23