Finding the Fourth Proportional to 2,070.59, 3,105.57 and 1,030.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.59 : 3,105.57 = 1,030.25 : x
2. Step 2: Convert to fraction form
   2,070.59/3,105.57 = 1,030.25/x
3. Step 3: Cross multiply
   2,070.59x = 3,105.57 × 1,030.25
4. Step 4: Simplify right side
   2,070.59x = 3,199,513.49
5. Step 5: Solve for x
   x = 3,199,513.49/2,070.59
6. Step 6: Final answer
   x = 1,545.22