Finding the Fourth Proportional to 9,649.37, 13,316.72 and 5,400.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,649.37 : 13,316.72 = 5,400.35 : x
2. Step 2: Convert to fraction form
   9,649.37/13,316.72 = 5,400.35/x
3. Step 3: Cross multiply
   9,649.37x = 13,316.72 × 5,400.35
4. Step 4: Simplify right side
   9,649.37x = 71,914,955.83
5. Step 5: Solve for x
   x = 71,914,955.83/9,649.37
6. Step 6: Final answer
   x = 7,452.81