Finding the Fourth Proportional to 1,928.52, 2,889.42 and 1,198.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.52 : 2,889.42 = 1,198.62 : x
2. Step 2: Convert to fraction form
   1,928.52/2,889.42 = 1,198.62/x
3. Step 3: Cross multiply
   1,928.52x = 2,889.42 × 1,198.62
4. Step 4: Simplify right side
   1,928.52x = 3,463,316.60
5. Step 5: Solve for x
   x = 3,463,316.60/1,928.52
6. Step 6: Final answer
   x = 1,795.84