Finding the Fourth Proportional to 3,643.47, 5,028.04 and 2,071.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.47 : 5,028.04 = 2,071.56 : x
2. Step 2: Convert to fraction form
   3,643.47/5,028.04 = 2,071.56/x
3. Step 3: Cross multiply
   3,643.47x = 5,028.04 × 2,071.56
4. Step 4: Simplify right side
   3,643.47x = 10,415,886.54
5. Step 5: Solve for x
   x = 10,415,886.54/3,643.47
6. Step 6: Final answer
   x = 2,858.78