Finding the Fourth Proportional to 1,372.43, 1,894.31 and 848.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.43 : 1,894.31 = 848.16 : x
2. Step 2: Convert to fraction form
   1,372.43/1,894.31 = 848.16/x
3. Step 3: Cross multiply
   1,372.43x = 1,894.31 × 848.16
4. Step 4: Simplify right side
   1,372.43x = 1,606,673.73
5. Step 5: Solve for x
   x = 1,606,673.73/1,372.43
6. Step 6: Final answer
   x = 1,170.68