Finding the Fourth Proportional to 1,793.27, 2,690.45 and 1,210.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.27 : 2,690.45 = 1,210.61 : x
2. Step 2: Convert to fraction form
   1,793.27/2,690.45 = 1,210.61/x
3. Step 3: Cross multiply
   1,793.27x = 2,690.45 × 1,210.61
4. Step 4: Simplify right side
   1,793.27x = 3,257,066.17
5. Step 5: Solve for x
   x = 3,257,066.17/1,793.27
6. Step 6: Final answer
   x = 1,816.28