Finding the Fourth Proportional to 1,842.35, 2,542.43 and 1,003.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.35 : 2,542.43 = 1,003.05 : x
2. Step 2: Convert to fraction form
   1,842.35/2,542.43 = 1,003.05/x
3. Step 3: Cross multiply
   1,842.35x = 2,542.43 × 1,003.05
4. Step 4: Simplify right side
   1,842.35x = 2,550,190.31
5. Step 5: Solve for x
   x = 2,550,190.31/1,842.35
6. Step 6: Final answer
   x = 1,384.20