Finding the Fourth Proportional to 2,117.83, 3,175.18 and 883.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.83 : 3,175.18 = 883.50 : x
2. Step 2: Convert to fraction form
   2,117.83/3,175.18 = 883.50/x
3. Step 3: Cross multiply
   2,117.83x = 3,175.18 × 883.50
4. Step 4: Simplify right side
   2,117.83x = 2,805,271.53
5. Step 5: Solve for x
   x = 2,805,271.53/2,117.83
6. Step 6: Final answer
   x = 1,324.60