Finding the Fourth Proportional to 1,940.75, 2,913.17 and 1,210.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.75 : 2,913.17 = 1,210.83 : x
2. Step 2: Convert to fraction form
   1,940.75/2,913.17 = 1,210.83/x
3. Step 3: Cross multiply
   1,940.75x = 2,913.17 × 1,210.83
4. Step 4: Simplify right side
   1,940.75x = 3,527,347.58
5. Step 5: Solve for x
   x = 3,527,347.58/1,940.75
6. Step 6: Final answer
   x = 1,817.52