Finding the Fourth Proportional to 3,643.31, 5,027.59 and 2,071.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.31 : 5,027.59 = 2,071.37 : x
2. Step 2: Convert to fraction form
   3,643.31/5,027.59 = 2,071.37/x
3. Step 3: Cross multiply
   3,643.31x = 5,027.59 × 2,071.37
4. Step 4: Simplify right side
   3,643.31x = 10,413,999.10
5. Step 5: Solve for x
   x = 10,413,999.10/3,643.31
6. Step 6: Final answer
   x = 2,858.39