Finding the Fourth Proportional to 1,958.38, 2,702.59 and 1,074.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.38 : 2,702.59 = 1,074.20 : x
2. Step 2: Convert to fraction form
   1,958.38/2,702.59 = 1,074.20/x
3. Step 3: Cross multiply
   1,958.38x = 2,702.59 × 1,074.20
4. Step 4: Simplify right side
   1,958.38x = 2,903,105.98
5. Step 5: Solve for x
   x = 2,903,105.98/1,958.38
6. Step 6: Final answer
   x = 1,482.40