Finding the Fourth Proportional to 1,814.27, 2,502.50 and 1,420.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.27 : 2,502.50 = 1,420.61 : x
2. Step 2: Convert to fraction form
   1,814.27/2,502.50 = 1,420.61/x
3. Step 3: Cross multiply
   1,814.27x = 2,502.50 × 1,420.61
4. Step 4: Simplify right side
   1,814.27x = 3,555,056.91
5. Step 5: Solve for x
   x = 3,555,056.91/1,814.27
6. Step 6: Final answer
   x = 1,959.50