Finding the Fourth Proportional to 1,842.43, 2,542.61 and 1,003.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.43 : 2,542.61 = 1,003.09 : x
2. Step 2: Convert to fraction form
   1,842.43/2,542.61 = 1,003.09/x
3. Step 3: Cross multiply
   1,842.43x = 2,542.61 × 1,003.09
4. Step 4: Simplify right side
   1,842.43x = 2,550,462.82
5. Step 5: Solve for x
   x = 2,550,462.82/1,842.43
6. Step 6: Final answer
   x = 1,384.29