Finding the Fourth Proportional to 6,871.83, 10,294.48 and 4,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,871.83 : 10,294.48 = 4,100.72 : x
2. Step 2: Convert to fraction form
   6,871.83/10,294.48 = 4,100.72/x
3. Step 3: Cross multiply
   6,871.83x = 10,294.48 × 4,100.72
4. Step 4: Simplify right side
   6,871.83x = 42,214,780.03
5. Step 5: Solve for x
   x = 42,214,780.03/6,871.83
6. Step 6: Final answer
   x = 6,143.16