Finding the Fourth Proportional to 9,393.38, 12,963.31 and 5,201.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.38 : 12,963.31 = 5,201.72 : x
2. Step 2: Convert to fraction form
   9,393.38/12,963.31 = 5,201.72/x
3. Step 3: Cross multiply
   9,393.38x = 12,963.31 × 5,201.72
4. Step 4: Simplify right side
   9,393.38x = 67,431,482.88
5. Step 5: Solve for x
   x = 67,431,482.88/9,393.38
6. Step 6: Final answer
   x = 7,178.62