Finding the Fourth Proportional to 6,131.75, 8,459.30 and 4,269.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.75 : 8,459.30 = 4,269.83 : x
2. Step 2: Convert to fraction form
   6,131.75/8,459.30 = 4,269.83/x
3. Step 3: Cross multiply
   6,131.75x = 8,459.30 × 4,269.83
4. Step 4: Simplify right side
   6,131.75x = 36,119,741.30
5. Step 5: Solve for x
   x = 36,119,741.30/6,131.75
6. Step 6: Final answer
   x = 5,890.61