Finding the Fourth Proportional to 1,958.39, 2,702.61 and 1,074.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.39 : 2,702.61 = 1,074.18 : x
2. Step 2: Convert to fraction form
   1,958.39/2,702.61 = 1,074.18/x
3. Step 3: Cross multiply
   1,958.39x = 2,702.61 × 1,074.18
4. Step 4: Simplify right side
   1,958.39x = 2,903,089.61
5. Step 5: Solve for x
   x = 2,903,089.61/1,958.39
6. Step 6: Final answer
   x = 1,482.39