Finding the Fourth Proportional to 1,996.22, 2,995.88 and 1,380.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.22 : 2,995.88 = 1,380.83 : x
2. Step 2: Convert to fraction form
   1,996.22/2,995.88 = 1,380.83/x
3. Step 3: Cross multiply
   1,996.22x = 2,995.88 × 1,380.83
4. Step 4: Simplify right side
   1,996.22x = 4,136,779.10
5. Step 5: Solve for x
   x = 4,136,779.10/1,996.22
6. Step 6: Final answer
   x = 2,072.30