Finding the Fourth Proportional to 3,196.91, 4,795.56 and 1,005.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.91 : 4,795.56 = 1,005.72 : x
2. Step 2: Convert to fraction form
   3,196.91/4,795.56 = 1,005.72/x
3. Step 3: Cross multiply
   3,196.91x = 4,795.56 × 1,005.72
4. Step 4: Simplify right side
   3,196.91x = 4,822,990.60
5. Step 5: Solve for x
   x = 4,822,990.60/3,196.91
6. Step 6: Final answer
   x = 1,508.64