Finding the Fourth Proportional to 2,345.39, 3,518.58 and 884.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.39 : 3,518.58 = 884.53 : x
2. Step 2: Convert to fraction form
   2,345.39/3,518.58 = 884.53/x
3. Step 3: Cross multiply
   2,345.39x = 3,518.58 × 884.53
4. Step 4: Simplify right side
   2,345.39x = 3,112,297.28
5. Step 5: Solve for x
   x = 3,112,297.28/2,345.39
6. Step 6: Final answer
   x = 1,326.98