Finding the Fourth Proportional to 9,655.16, 13,324.35 and 5,406.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,655.16 : 13,324.35 = 5,406.18 : x
2. Step 2: Convert to fraction form
   9,655.16/13,324.35 = 5,406.18/x
3. Step 3: Cross multiply
   9,655.16x = 13,324.35 × 5,406.18
4. Step 4: Simplify right side
   9,655.16x = 72,033,834.48
5. Step 5: Solve for x
   x = 72,033,834.48/9,655.16
6. Step 6: Final answer
   x = 7,460.66