Finding the Fourth Proportional to 2,602.71, 3,906.35 and 1,371.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.71 : 3,906.35 = 1,371.02 : x
2. Step 2: Convert to fraction form
   2,602.71/3,906.35 = 1,371.02/x
3. Step 3: Cross multiply
   2,602.71x = 3,906.35 × 1,371.02
4. Step 4: Simplify right side
   2,602.71x = 5,355,657.59
5. Step 5: Solve for x
   x = 5,355,657.59/2,602.71
6. Step 6: Final answer
   x = 2,057.72