Finding the Fourth Proportional to 9,522.18, 14,273.34 and 3,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.18 : 14,273.34 = 3,978.72 : x
2. Step 2: Convert to fraction form
   9,522.18/14,273.34 = 3,978.72/x
3. Step 3: Cross multiply
   9,522.18x = 14,273.34 × 3,978.72
4. Step 4: Simplify right side
   9,522.18x = 56,789,623.32
5. Step 5: Solve for x
   x = 56,789,623.32/9,522.18
6. Step 6: Final answer
   x = 5,963.93