Finding the Fourth Proportional to 11,949.68, 16,483.56 and 7,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,949.68 : 16,483.56 = 7,760.72 : x
2. Step 2: Convert to fraction form
   11,949.68/16,483.56 = 7,760.72/x
3. Step 3: Cross multiply
   11,949.68x = 16,483.56 × 7,760.72
4. Step 4: Simplify right side
   11,949.68x = 127,924,293.76
5. Step 5: Solve for x
   x = 127,924,293.76/11,949.68
6. Step 6: Final answer
   x = 10,705.25