Finding the Fourth Proportional to 12,435.87, 18,662.00 and 5,863.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,435.87 : 18,662.00 = 5,863.92 : x
2. Step 2: Convert to fraction form
   12,435.87/18,662.00 = 5,863.92/x
3. Step 3: Cross multiply
   12,435.87x = 18,662.00 × 5,863.92
4. Step 4: Simplify right side
   12,435.87x = 109,432,445.72
5. Step 5: Solve for x
   x = 109,432,445.72/12,435.87
6. Step 6: Final answer
   x = 8,799.74