Finding the Fourth Proportional to 1,679.62, 2,318.72 and 1,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679.62 : 2,318.72 = 1,050.50 : x
2. Step 2: Convert to fraction form
   1,679.62/2,318.72 = 1,050.50/x
3. Step 3: Cross multiply
   1,679.62x = 2,318.72 × 1,050.50
4. Step 4: Simplify right side
   1,679.62x = 2,435,815.36
5. Step 5: Solve for x
   x = 2,435,815.36/1,679.62
6. Step 6: Final answer
   x = 1,450.22