Finding the Fourth Proportional to 3,675.31, 5,071.95 and 1,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.31 : 5,071.95 = 1,996.72 : x
2. Step 2: Convert to fraction form
   3,675.31/5,071.95 = 1,996.72/x
3. Step 3: Cross multiply
   3,675.31x = 5,071.95 × 1,996.72
4. Step 4: Simplify right side
   3,675.31x = 10,127,251.32
5. Step 5: Solve for x
   x = 10,127,251.32/3,675.31
6. Step 6: Final answer
   x = 2,755.48