Finding the Fourth Proportional to 12,131.85, 16,741.86 and 6,826.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.85 : 16,741.86 = 6,826.53 : x
2. Step 2: Convert to fraction form
   12,131.85/16,741.86 = 6,826.53/x
3. Step 3: Cross multiply
   12,131.85x = 16,741.86 × 6,826.53
4. Step 4: Simplify right side
   12,131.85x = 114,288,809.55
5. Step 5: Solve for x
   x = 114,288,809.55/12,131.85
6. Step 6: Final answer
   x = 9,420.56