Finding the Fourth Proportional to 1,958.63, 2,702.89 and 1,074.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.63 : 2,702.89 = 1,074.45 : x
2. Step 2: Convert to fraction form
   1,958.63/2,702.89 = 1,074.45/x
3. Step 3: Cross multiply
   1,958.63x = 2,702.89 × 1,074.45
4. Step 4: Simplify right side
   1,958.63x = 2,904,120.16
5. Step 5: Solve for x
   x = 2,904,120.16/1,958.63
6. Step 6: Final answer
   x = 1,482.73