Finding the Fourth Proportional to 9,647.91, 13,314.36 and 5,398.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.91 : 13,314.36 = 5,398.83 : x
2. Step 2: Convert to fraction form
   9,647.91/13,314.36 = 5,398.83/x
3. Step 3: Cross multiply
   9,647.91x = 13,314.36 × 5,398.83
4. Step 4: Simplify right side
   9,647.91x = 71,881,966.20
5. Step 5: Solve for x
   x = 71,881,966.20/9,647.91
6. Step 6: Final answer
   x = 7,450.52