Finding the Fourth Proportional to 9,860.97, 13,608.18 and 5,384.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.97 : 13,608.18 = 5,384.82 : x
2. Step 2: Convert to fraction form
   9,860.97/13,608.18 = 5,384.82/x
3. Step 3: Cross multiply
   9,860.97x = 13,608.18 × 5,384.82
4. Step 4: Simplify right side
   9,860.97x = 73,277,599.83
5. Step 5: Solve for x
   x = 73,277,599.83/9,860.97
6. Step 6: Final answer
   x = 7,431.07