Finding the Fourth Proportional to 9,393.93, 12,963.46 and 5,202.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.93 : 12,963.46 = 5,202.09 : x
2. Step 2: Convert to fraction form
   9,393.93/12,963.46 = 5,202.09/x
3. Step 3: Cross multiply
   9,393.93x = 12,963.46 × 5,202.09
4. Step 4: Simplify right side
   9,393.93x = 67,437,085.63
5. Step 5: Solve for x
   x = 67,437,085.63/9,393.93
6. Step 6: Final answer
   x = 7,178.79