Finding the Fourth Proportional to 1,914.20, 2,869.27 and 818.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.20 : 2,869.27 = 818.00 : x
2. Step 2: Convert to fraction form
   1,914.20/2,869.27 = 818.00/x
3. Step 3: Cross multiply
   1,914.20x = 2,869.27 × 818.00
4. Step 4: Simplify right side
   1,914.20x = 2,347,061.83
5. Step 5: Solve for x
   x = 2,347,061.83/1,914.20
6. Step 6: Final answer
   x = 1,226.13