Finding the Fourth Proportional to 3,196.31, 4,412.12 and 1,870.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.31 : 4,412.12 = 1,870.02 : x
2. Step 2: Convert to fraction form
   3,196.31/4,412.12 = 1,870.02/x
3. Step 3: Cross multiply
   3,196.31x = 4,412.12 × 1,870.02
4. Step 4: Simplify right side
   3,196.31x = 8,250,743.29
5. Step 5: Solve for x
   x = 8,250,743.29/3,196.31
6. Step 6: Final answer
   x = 2,581.34