Finding the Fourth Proportional to 9,523.85, 14,286.71 and 3,978.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523.85 : 14,286.71 = 3,978.92 : x
2. Step 2: Convert to fraction form
   9,523.85/14,286.71 = 3,978.92/x
3. Step 3: Cross multiply
   9,523.85x = 14,286.71 × 3,978.92
4. Step 4: Simplify right side
   9,523.85x = 56,845,721.82
5. Step 5: Solve for x
   x = 56,845,721.82/9,523.85
6. Step 6: Final answer
   x = 5,968.78