Finding the Fourth Proportional to 9,956.40, 14,936.76 and 3,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.40 : 14,936.76 = 3,030.72 : x
2. Step 2: Convert to fraction form
   9,956.40/14,936.76 = 3,030.72/x
3. Step 3: Cross multiply
   9,956.40x = 14,936.76 × 3,030.72
4. Step 4: Simplify right side
   9,956.40x = 45,269,137.27
5. Step 5: Solve for x
   x = 45,269,137.27/9,956.40
6. Step 6: Final answer
   x = 4,546.74