Finding the Fourth Proportional to 9,636.88, 13,298.12 and 5,654.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.88 : 13,298.12 = 5,654.80 : x
2. Step 2: Convert to fraction form
   9,636.88/13,298.12 = 5,654.80/x
3. Step 3: Cross multiply
   9,636.88x = 13,298.12 × 5,654.80
4. Step 4: Simplify right side
   9,636.88x = 75,198,208.98
5. Step 5: Solve for x
   x = 75,198,208.98/9,636.88
6. Step 6: Final answer
   x = 7,803.17