Finding the Fourth Proportional to 3,196.09, 4,412.79 and 2,001.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.09 : 4,412.79 = 2,001.55 : x
2. Step 2: Convert to fraction form
   3,196.09/4,412.79 = 2,001.55/x
3. Step 3: Cross multiply
   3,196.09x = 4,412.79 × 2,001.55
4. Step 4: Simplify right side
   3,196.09x = 8,832,419.82
5. Step 5: Solve for x
   x = 8,832,419.82/3,196.09
6. Step 6: Final answer
   x = 2,763.51