Finding the Fourth Proportional to 5,144.34, 7,720.83 and 4,124.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.34 : 7,720.83 = 4,124.82 : x
2. Step 2: Convert to fraction form
   5,144.34/7,720.83 = 4,124.82/x
3. Step 3: Cross multiply
   5,144.34x = 7,720.83 × 4,124.82
4. Step 4: Simplify right side
   5,144.34x = 31,847,034.00
5. Step 5: Solve for x
   x = 31,847,034.00/5,144.34
6. Step 6: Final answer
   x = 6,190.69