Finding the Fourth Proportional to 1,896.42, 2,616.33 and 1,400.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.42 : 2,616.33 = 1,400.25 : x
2. Step 2: Convert to fraction form
   1,896.42/2,616.33 = 1,400.25/x
3. Step 3: Cross multiply
   1,896.42x = 2,616.33 × 1,400.25
4. Step 4: Simplify right side
   1,896.42x = 3,663,503.00
5. Step 5: Solve for x
   x = 3,663,503.00/1,896.42
6. Step 6: Final answer
   x = 1,931.80