Finding the Fourth Proportional to 1,361.74, 2,041.98 and 814.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.74 : 2,041.98 = 814.18 : x
2. Step 2: Convert to fraction form
   1,361.74/2,041.98 = 814.18/x
3. Step 3: Cross multiply
   1,361.74x = 2,041.98 × 814.18
4. Step 4: Simplify right side
   1,361.74x = 1,662,539.28
5. Step 5: Solve for x
   x = 1,662,539.28/1,361.74
6. Step 6: Final answer
   x = 1,220.89