Finding the Fourth Proportional to 8,461.45, 12,700.37 and 4,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461.45 : 12,700.37 = 4,081.98 : x
2. Step 2: Convert to fraction form
   8,461.45/12,700.37 = 4,081.98/x
3. Step 3: Cross multiply
   8,461.45x = 12,700.37 × 4,081.98
4. Step 4: Simplify right side
   8,461.45x = 51,842,666.54
5. Step 5: Solve for x
   x = 51,842,666.54/8,461.45
6. Step 6: Final answer
   x = 6,126.93