Finding the Fourth Proportional to 1,222.36, 1,834.27 and 1,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.36 : 1,834.27 = 1,123.10 : x
2. Step 2: Convert to fraction form
   1,222.36/1,834.27 = 1,123.10/x
3. Step 3: Cross multiply
   1,222.36x = 1,834.27 × 1,123.10
4. Step 4: Simplify right side
   1,222.36x = 2,060,068.64
5. Step 5: Solve for x
   x = 2,060,068.64/1,222.36
6. Step 6: Final answer
   x = 1,685.32