Finding the Fourth Proportional to 2,094.51, 2,890.86 and 1,210.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.51 : 2,890.86 = 1,210.20 : x
2. Step 2: Convert to fraction form
   2,094.51/2,890.86 = 1,210.20/x
3. Step 3: Cross multiply
   2,094.51x = 2,890.86 × 1,210.20
4. Step 4: Simplify right side
   2,094.51x = 3,498,503.39
5. Step 5: Solve for x
   x = 3,498,503.39/2,094.51
6. Step 6: Final answer
   x = 1,670.32