Finding the Fourth Proportional to 9,393.78, 12,963.82 and 5,202.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.78 : 12,963.82 = 5,202.03 : x
2. Step 2: Convert to fraction form
   9,393.78/12,963.82 = 5,202.03/x
3. Step 3: Cross multiply
   9,393.78x = 12,963.82 × 5,202.03
4. Step 4: Simplify right side
   9,393.78x = 67,438,180.55
5. Step 5: Solve for x
   x = 67,438,180.55/9,393.78
6. Step 6: Final answer
   x = 7,179.02