Finding the Fourth Proportional to 1,445.50, 1,994.81 and 848.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.50 : 1,994.81 = 848.42 : x
2. Step 2: Convert to fraction form
   1,445.50/1,994.81 = 848.42/x
3. Step 3: Cross multiply
   1,445.50x = 1,994.81 × 848.42
4. Step 4: Simplify right side
   1,445.50x = 1,692,429.13
5. Step 5: Solve for x
   x = 1,692,429.13/1,445.50
6. Step 6: Final answer
   x = 1,170.83