Finding the Fourth Proportional to 1,233.42, 1,840.31 and 1,146.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.42 : 1,840.31 = 1,146.30 : x
2. Step 2: Convert to fraction form
   1,233.42/1,840.31 = 1,146.30/x
3. Step 3: Cross multiply
   1,233.42x = 1,840.31 × 1,146.30
4. Step 4: Simplify right side
   1,233.42x = 2,109,541.62
5. Step 5: Solve for x
   x = 2,109,541.62/1,233.42
6. Step 6: Final answer
   x = 1,710.32