Finding the Fourth Proportional to 8,606.82, 12,908.76 and 3,925.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,606.82 : 12,908.76 = 3,925.74 : x
2. Step 2: Convert to fraction form
   8,606.82/12,908.76 = 3,925.74/x
3. Step 3: Cross multiply
   8,606.82x = 12,908.76 × 3,925.74
4. Step 4: Simplify right side
   8,606.82x = 50,676,435.48
5. Step 5: Solve for x
   x = 50,676,435.48/8,606.82
6. Step 6: Final answer
   x = 5,887.94