Finding the Fourth Proportional to 9,655.07, 13,323.03 and 5,405.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,655.07 : 13,323.03 = 5,405.88 : x
2. Step 2: Convert to fraction form
   9,655.07/13,323.03 = 5,405.88/x
3. Step 3: Cross multiply
   9,655.07x = 13,323.03 × 5,405.88
4. Step 4: Simplify right side
   9,655.07x = 72,022,701.42
5. Step 5: Solve for x
   x = 72,022,701.42/9,655.07
6. Step 6: Final answer
   x = 7,459.58