Finding the Fourth Proportional to 8,463.96, 12,698.55 and 3,787.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,463.96 : 12,698.55 = 3,787.89 : x
2. Step 2: Convert to fraction form
   8,463.96/12,698.55 = 3,787.89/x
3. Step 3: Cross multiply
   8,463.96x = 12,698.55 × 3,787.89
4. Step 4: Simplify right side
   8,463.96x = 48,100,710.56
5. Step 5: Solve for x
   x = 48,100,710.56/8,463.96
6. Step 6: Final answer
   x = 5,683.00