Finding the Fourth Proportional to 2,125.67, 3,189.15 and 1,030.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,125.67 : 3,189.15 = 1,030.10 : x
2. Step 2: Convert to fraction form
   2,125.67/3,189.15 = 1,030.10/x
3. Step 3: Cross multiply
   2,125.67x = 3,189.15 × 1,030.10
4. Step 4: Simplify right side
   2,125.67x = 3,285,143.42
5. Step 5: Solve for x
   x = 3,285,143.42/2,125.67
6. Step 6: Final answer
   x = 1,545.46