Finding the Fourth Proportional to 9,302.72, 12,841.60 and 5,576

Step by Step Solution

1. Step 1: Write the proportion equation
   9,302.72 : 12,841.60 = 5,576 : x
2. Step 2: Convert to fraction form
   9,302.72/12,841.60 = 5,576/x
3. Step 3: Cross multiply
   9,302.72x = 12,841.60 × 5,576
4. Step 4: Simplify right side
   9,302.72x = 71,604,761.60
5. Step 5: Solve for x
   x = 71,604,761.60/9,302.72
6. Step 6: Final answer
   x = 7,697.19