Finding the Fourth Proportional to 1,842.45, 2,542.60 and 1,003.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.45 : 2,542.60 = 1,003.15 : x
2. Step 2: Convert to fraction form
   1,842.45/2,542.60 = 1,003.15/x
3. Step 3: Cross multiply
   1,842.45x = 2,542.60 × 1,003.15
4. Step 4: Simplify right side
   1,842.45x = 2,550,621.83
5. Step 5: Solve for x
   x = 2,550,621.83/1,842.45
6. Step 6: Final answer
   x = 1,384.36