Finding the Fourth Proportional to 8,438.94, 12,654.77 and 2,892.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,438.94 : 12,654.77 = 2,892.83 : x
2. Step 2: Convert to fraction form
   8,438.94/12,654.77 = 2,892.83/x
3. Step 3: Cross multiply
   8,438.94x = 12,654.77 × 2,892.83
4. Step 4: Simplify right side
   8,438.94x = 36,608,020.56
5. Step 5: Solve for x
   x = 36,608,020.56/8,438.94
6. Step 6: Final answer
   x = 4,337.99