Finding the Fourth Proportional to 2,345.12, 3,518.06 and 884.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.12 : 3,518.06 = 884.38 : x
2. Step 2: Convert to fraction form
   2,345.12/3,518.06 = 884.38/x
3. Step 3: Cross multiply
   2,345.12x = 3,518.06 × 884.38
4. Step 4: Simplify right side
   2,345.12x = 3,111,301.90
5. Step 5: Solve for x
   x = 3,111,301.90/2,345.12
6. Step 6: Final answer
   x = 1,326.71