Finding the Fourth Proportional to 2,506.71, 3,459.21 and 1,402.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.71 : 3,459.21 = 1,402.71 : x
2. Step 2: Convert to fraction form
   2,506.71/3,459.21 = 1,402.71/x
3. Step 3: Cross multiply
   2,506.71x = 3,459.21 × 1,402.71
4. Step 4: Simplify right side
   2,506.71x = 4,852,268.46
5. Step 5: Solve for x
   x = 4,852,268.46/2,506.71
6. Step 6: Final answer
   x = 1,935.71