Finding the Fourth Proportional to 9,946.69, 14,909.56 and 7,601.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.69 : 14,909.56 = 7,601.60 : x
2. Step 2: Convert to fraction form
   9,946.69/14,909.56 = 7,601.60/x
3. Step 3: Cross multiply
   9,946.69x = 14,909.56 × 7,601.60
4. Step 4: Simplify right side
   9,946.69x = 113,336,511.30
5. Step 5: Solve for x
   x = 113,336,511.30/9,946.69
6. Step 6: Final answer
   x = 11,394.39