Finding the Fourth Proportional to 8,905.71, 12,289.82 and 4,926.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,905.71 : 12,289.82 = 4,926.73 : x
2. Step 2: Convert to fraction form
   8,905.71/12,289.82 = 4,926.73/x
3. Step 3: Cross multiply
   8,905.71x = 12,289.82 × 4,926.73
4. Step 4: Simplify right side
   8,905.71x = 60,548,666.37
5. Step 5: Solve for x
   x = 60,548,666.37/8,905.71
6. Step 6: Final answer
   x = 6,798.86