Finding the Fourth Proportional to 2,630.58, 3,944.31 and 1,071.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.58 : 3,944.31 = 1,071.33 : x
2. Step 2: Convert to fraction form
   2,630.58/3,944.31 = 1,071.33/x
3. Step 3: Cross multiply
   2,630.58x = 3,944.31 × 1,071.33
4. Step 4: Simplify right side
   2,630.58x = 4,225,657.63
5. Step 5: Solve for x
   x = 4,225,657.63/2,630.58
6. Step 6: Final answer
   x = 1,606.36