Finding the Fourth Proportional to 2,391.06, 3,585.42 and 1,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.06 : 3,585.42 = 1,003.98 : x
2. Step 2: Convert to fraction form
   2,391.06/3,585.42 = 1,003.98/x
3. Step 3: Cross multiply
   2,391.06x = 3,585.42 × 1,003.98
4. Step 4: Simplify right side
   2,391.06x = 3,599,689.97
5. Step 5: Solve for x
   x = 3,599,689.97/2,391.06
6. Step 6: Final answer
   x = 1,505.48