Finding the Fourth Proportional to 2,335.51, 3,503.78 and 1,019.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.51 : 3,503.78 = 1,019.48 : x
2. Step 2: Convert to fraction form
   2,335.51/3,503.78 = 1,019.48/x
3. Step 3: Cross multiply
   2,335.51x = 3,503.78 × 1,019.48
4. Step 4: Simplify right side
   2,335.51x = 3,572,018.66
5. Step 5: Solve for x
   x = 3,572,018.66/2,335.51
6. Step 6: Final answer
   x = 1,529.44