Finding the Fourth Proportional to 3,196.91, 4,411.25 and 1,870.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.91 : 4,411.25 = 1,870.47 : x
2. Step 2: Convert to fraction form
   3,196.91/4,411.25 = 1,870.47/x
3. Step 3: Cross multiply
   3,196.91x = 4,411.25 × 1,870.47
4. Step 4: Simplify right side
   3,196.91x = 8,251,110.79
5. Step 5: Solve for x
   x = 8,251,110.79/3,196.91
6. Step 6: Final answer
   x = 2,580.96