Finding the Fourth Proportional to 2,070.51, 3,106.23 and 1,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.51 : 3,106.23 = 1,031.10 : x
2. Step 2: Convert to fraction form
   2,070.51/3,106.23 = 1,031.10/x
3. Step 3: Cross multiply
   2,070.51x = 3,106.23 × 1,031.10
4. Step 4: Simplify right side
   2,070.51x = 3,202,833.75
5. Step 5: Solve for x
   x = 3,202,833.75/2,070.51
6. Step 6: Final answer
   x = 1,546.88