Finding the Fourth Proportional to 1,870.85, 2,584.25 and 1,434.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.85 : 2,584.25 = 1,434.16 : x
2. Step 2: Convert to fraction form
   1,870.85/2,584.25 = 1,434.16/x
3. Step 3: Cross multiply
   1,870.85x = 2,584.25 × 1,434.16
4. Step 4: Simplify right side
   1,870.85x = 3,706,222.95
5. Step 5: Solve for x
   x = 3,706,222.95/1,870.85
6. Step 6: Final answer
   x = 1,981.04