Finding the Fourth Proportional to 2,345.31, 3,517.95 and 884.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.31 : 3,517.95 = 884.58 : x
2. Step 2: Convert to fraction form
   2,345.31/3,517.95 = 884.58/x
3. Step 3: Cross multiply
   2,345.31x = 3,517.95 × 884.58
4. Step 4: Simplify right side
   2,345.31x = 3,111,908.21
5. Step 5: Solve for x
   x = 3,111,908.21/2,345.31
6. Step 6: Final answer
   x = 1,326.86