Finding the Fourth Proportional to 9,654.55, 13,322.03 and 5,674.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,654.55 : 13,322.03 = 5,674.21 : x
2. Step 2: Convert to fraction form
   9,654.55/13,322.03 = 5,674.21/x
3. Step 3: Cross multiply
   9,654.55x = 13,322.03 × 5,674.21
4. Step 4: Simplify right side
   9,654.55x = 75,591,934.17
5. Step 5: Solve for x
   x = 75,591,934.17/9,654.55
6. Step 6: Final answer
   x = 7,829.67