Finding the Fourth Proportional to 12,131.56, 16,741.35 and 6,826.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.56 : 16,741.35 = 6,826.39 : x
2. Step 2: Convert to fraction form
   12,131.56/16,741.35 = 6,826.39/x
3. Step 3: Cross multiply
   12,131.56x = 16,741.35 × 6,826.39
4. Step 4: Simplify right side
   12,131.56x = 114,282,984.23
5. Step 5: Solve for x
   x = 114,282,984.23/12,131.56
6. Step 6: Final answer
   x = 9,420.30