Finding the Fourth Proportional to 1,233.34, 1,700.58 and 1,145.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.34 : 1,700.58 = 1,145.86 : x
2. Step 2: Convert to fraction form
   1,233.34/1,700.58 = 1,145.86/x
3. Step 3: Cross multiply
   1,233.34x = 1,700.58 × 1,145.86
4. Step 4: Simplify right side
   1,233.34x = 1,948,626.60
5. Step 5: Solve for x
   x = 1,948,626.60/1,233.34
6. Step 6: Final answer
   x = 1,579.96