Finding the Fourth Proportional to 3,411.29, 5,117.00 and 1,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.29 : 5,117.00 = 1,071.25 : x
2. Step 2: Convert to fraction form
   3,411.29/5,117.00 = 1,071.25/x
3. Step 3: Cross multiply
   3,411.29x = 5,117.00 × 1,071.25
4. Step 4: Simplify right side
   3,411.29x = 5,481,576.14
5. Step 5: Solve for x
   x = 5,481,576.14/3,411.29
6. Step 6: Final answer
   x = 1,606.89