Finding the Fourth Proportional to 9,490.78, 14,241.31 and 3,947.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490.78 : 14,241.31 = 3,947.95 : x
2. Step 2: Convert to fraction form
   9,490.78/14,241.31 = 3,947.95/x
3. Step 3: Cross multiply
   9,490.78x = 14,241.31 × 3,947.95
4. Step 4: Simplify right side
   9,490.78x = 56,223,934.34
5. Step 5: Solve for x
   x = 56,223,934.34/9,490.78
6. Step 6: Final answer
   x = 5,924.06