Finding the Fourth Proportional to 9,176.48, 12,663.56 and 4,984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,176.48 : 12,663.56 = 4,984.72 : x
2. Step 2: Convert to fraction form
   9,176.48/12,663.56 = 4,984.72/x
3. Step 3: Cross multiply
   9,176.48x = 12,663.56 × 4,984.72
4. Step 4: Simplify right side
   9,176.48x = 63,124,300.80
5. Step 5: Solve for x
   x = 63,124,300.80/9,176.48
6. Step 6: Final answer
   x = 6,878.92