Finding the Fourth Proportional to 9,173.17, 12,658.84 and 5,587.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.17 : 12,658.84 = 5,587.30 : x
2. Step 2: Convert to fraction form
   9,173.17/12,658.84 = 5,587.30/x
3. Step 3: Cross multiply
   9,173.17x = 12,658.84 × 5,587.30
4. Step 4: Simplify right side
   9,173.17x = 70,728,736.73
5. Step 5: Solve for x
   x = 70,728,736.73/9,173.17
6. Step 6: Final answer
   x = 7,710.39