Finding the Fourth Proportional to 1,889.16, 2,838.52 and 1,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.16 : 2,838.52 = 1,196.15 : x
2. Step 2: Convert to fraction form
   1,889.16/2,838.52 = 1,196.15/x
3. Step 3: Cross multiply
   1,889.16x = 2,838.52 × 1,196.15
4. Step 4: Simplify right side
   1,889.16x = 3,395,292.71
5. Step 5: Solve for x
   x = 3,395,292.71/1,889.16
6. Step 6: Final answer
   x = 1,797.25