Finding the Fourth Proportional to 1,364.92, 1,870.46 and 1,233.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.92 : 1,870.46 = 1,233.70 : x
2. Step 2: Convert to fraction form
   1,364.92/1,870.46 = 1,233.70/x
3. Step 3: Cross multiply
   1,364.92x = 1,870.46 × 1,233.70
4. Step 4: Simplify right side
   1,364.92x = 2,307,586.50
5. Step 5: Solve for x
   x = 2,307,586.50/1,364.92
6. Step 6: Final answer
   x = 1,690.64