Finding the Fourth Proportional to 6,498.18, 8,963.64 and 3,981.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.18 : 8,963.64 = 3,981.42 : x
2. Step 2: Convert to fraction form
   6,498.18/8,963.64 = 3,981.42/x
3. Step 3: Cross multiply
   6,498.18x = 8,963.64 × 3,981.42
4. Step 4: Simplify right side
   6,498.18x = 35,688,015.57
5. Step 5: Solve for x
   x = 35,688,015.57/6,498.18
6. Step 6: Final answer
   x = 5,492.00