Finding the Fourth Proportional to 9,946.72, 14,900.64 and 7,626.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.72 : 14,900.64 = 7,626.88 : x
2. Step 2: Convert to fraction form
   9,946.72/14,900.64 = 7,626.88/x
3. Step 3: Cross multiply
   9,946.72x = 14,900.64 × 7,626.88
4. Step 4: Simplify right side
   9,946.72x = 113,645,393.20
5. Step 5: Solve for x
   x = 113,645,393.20/9,946.72
6. Step 6: Final answer
   x = 11,425.41