Finding the Fourth Proportional to 1,227.48, 1,836.18 and 1,022.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.48 : 1,836.18 = 1,022.34 : x
2. Step 2: Convert to fraction form
   1,227.48/1,836.18 = 1,022.34/x
3. Step 3: Cross multiply
   1,227.48x = 1,836.18 × 1,022.34
4. Step 4: Simplify right side
   1,227.48x = 1,877,200.26
5. Step 5: Solve for x
   x = 1,877,200.26/1,227.48
6. Step 6: Final answer
   x = 1,529.31