Finding the Fourth Proportional to 9,647.02, 13,312.83 and 5,398.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.02 : 13,312.83 = 5,398.07 : x
2. Step 2: Convert to fraction form
   9,647.02/13,312.83 = 5,398.07/x
3. Step 3: Cross multiply
   9,647.02x = 13,312.83 × 5,398.07
4. Step 4: Simplify right side
   9,647.02x = 71,863,588.24
5. Step 5: Solve for x
   x = 71,863,588.24/9,647.02
6. Step 6: Final answer
   x = 7,449.30