Finding the Fourth Proportional to 9,557.69, 13,196.04 and 7,315.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,557.69 : 13,196.04 = 7,315.55 : x
2. Step 2: Convert to fraction form
   9,557.69/13,196.04 = 7,315.55/x
3. Step 3: Cross multiply
   9,557.69x = 13,196.04 × 7,315.55
4. Step 4: Simplify right side
   9,557.69x = 96,536,290.42
5. Step 5: Solve for x
   x = 96,536,290.42/9,557.69
6. Step 6: Final answer
   x = 10,100.38