Finding the Fourth Proportional to 10,772.28, 14,861.48 and 7,946.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,772.28 : 14,861.48 = 7,946.42 : x
2. Step 2: Convert to fraction form
   10,772.28/14,861.48 = 7,946.42/x
3. Step 3: Cross multiply
   10,772.28x = 14,861.48 × 7,946.42
4. Step 4: Simplify right side
   10,772.28x = 118,095,447.86
5. Step 5: Solve for x
   x = 118,095,447.86/10,772.28
6. Step 6: Final answer
   x = 10,962.90