Finding the Fourth Proportional to 8,912.18, 12,298.82 and 4,933.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,912.18 : 12,298.82 = 4,933.89 : x
2. Step 2: Convert to fraction form
   8,912.18/12,298.82 = 4,933.89/x
3. Step 3: Cross multiply
   8,912.18x = 12,298.82 × 4,933.89
4. Step 4: Simplify right side
   8,912.18x = 60,681,000.34
5. Step 5: Solve for x
   x = 60,681,000.34/8,912.18
6. Step 6: Final answer
   x = 6,808.78