Finding the Fourth Proportional to 9,927.12, 14,891.49 and 4,083.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927.12 : 14,891.49 = 4,083.78 : x
2. Step 2: Convert to fraction form
   9,927.12/14,891.49 = 4,083.78/x
3. Step 3: Cross multiply
   9,927.12x = 14,891.49 × 4,083.78
4. Step 4: Simplify right side
   9,927.12x = 60,813,569.03
5. Step 5: Solve for x
   x = 60,813,569.03/9,927.12
6. Step 6: Final answer
   x = 6,126.00