Finding the Fourth Proportional to 3,379.52, 5,071.31 and 1,901.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.52 : 5,071.31 = 1,901.88 : x
2. Step 2: Convert to fraction form
   3,379.52/5,071.31 = 1,901.88/x
3. Step 3: Cross multiply
   3,379.52x = 5,071.31 × 1,901.88
4. Step 4: Simplify right side
   3,379.52x = 9,645,020.69
5. Step 5: Solve for x
   x = 9,645,020.69/3,379.52
6. Step 6: Final answer
   x = 2,853.96