Finding the Fourth Proportional to 5,196.30, 7,176.24 and 4,005.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.30 : 7,176.24 = 4,005.60 : x
2. Step 2: Convert to fraction form
   5,196.30/7,176.24 = 4,005.60/x
3. Step 3: Cross multiply
   5,196.30x = 7,176.24 × 4,005.60
4. Step 4: Simplify right side
   5,196.30x = 28,745,146.94
5. Step 5: Solve for x
   x = 28,745,146.94/5,196.30
6. Step 6: Final answer
   x = 5,531.85