Finding the Fourth Proportional to 2,126.18, 3,187.59 and 1,030.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.18 : 3,187.59 = 1,030.25 : x
2. Step 2: Convert to fraction form
   2,126.18/3,187.59 = 1,030.25/x
3. Step 3: Cross multiply
   2,126.18x = 3,187.59 × 1,030.25
4. Step 4: Simplify right side
   2,126.18x = 3,283,998.66
5. Step 5: Solve for x
   x = 3,283,998.66/2,126.18
6. Step 6: Final answer
   x = 1,544.56