Finding the Fourth Proportional to 2,094.18, 2,890.49 and 1,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.18 : 2,890.49 = 1,210.50 : x
2. Step 2: Convert to fraction form
   2,094.18/2,890.49 = 1,210.50/x
3. Step 3: Cross multiply
   2,094.18x = 2,890.49 × 1,210.50
4. Step 4: Simplify right side
   2,094.18x = 3,498,923.69
5. Step 5: Solve for x
   x = 3,498,923.69/2,094.18
6. Step 6: Final answer
   x = 1,670.78