Finding the Fourth Proportional to 7,944, 10,962.72 and 5,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,944 : 10,962.72 = 5,149.50 : x
2. Step 2: Convert to fraction form
   7,944/10,962.72 = 5,149.50/x
3. Step 3: Cross multiply
   7,944x = 10,962.72 × 5,149.50
4. Step 4: Simplify right side
   7,944x = 56,452,526.64
5. Step 5: Solve for x
   x = 56,452,526.64/7,944
6. Step 6: Final answer
   x = 7,106.31