Finding the Fourth Proportional to 2,383.88, 3,572.94 and 1,013

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.88 : 3,572.94 = 1,013 : x
2. Step 2: Convert to fraction form
   2,383.88/3,572.94 = 1,013/x
3. Step 3: Cross multiply
   2,383.88x = 3,572.94 × 1,013
4. Step 4: Simplify right side
   2,383.88x = 3,619,388.22
5. Step 5: Solve for x
   x = 3,619,388.22/2,383.88
6. Step 6: Final answer
   x = 1,518.28