Finding the Fourth Proportional to 5,143.41, 7,704.35 and 4,263.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.41 : 7,704.35 = 4,263.83 : x
2. Step 2: Convert to fraction form
   5,143.41/7,704.35 = 4,263.83/x
3. Step 3: Cross multiply
   5,143.41x = 7,704.35 × 4,263.83
4. Step 4: Simplify right side
   5,143.41x = 32,849,978.82
5. Step 5: Solve for x
   x = 32,849,978.82/5,143.41
6. Step 6: Final answer
   x = 6,386.81