Finding the Fourth Proportional to 10,949.67, 16,426.68 and 3,927.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.67 : 16,426.68 = 3,927.78 : x
2. Step 2: Convert to fraction form
   10,949.67/16,426.68 = 3,927.78/x
3. Step 3: Cross multiply
   10,949.67x = 16,426.68 × 3,927.78
4. Step 4: Simplify right side
   10,949.67x = 64,520,385.17
5. Step 5: Solve for x
   x = 64,520,385.17/10,949.67
6. Step 6: Final answer
   x = 5,892.45