Finding the Fourth Proportional to 8,240.76, 12,364.83 and 4,085.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240.76 : 12,364.83 = 4,085.46 : x
2. Step 2: Convert to fraction form
   8,240.76/12,364.83 = 4,085.46/x
3. Step 3: Cross multiply
   8,240.76x = 12,364.83 × 4,085.46
4. Step 4: Simplify right side
   8,240.76x = 50,516,018.37
5. Step 5: Solve for x
   x = 50,516,018.37/8,240.76
6. Step 6: Final answer
   x = 6,130.02