Finding the Fourth Proportional to 1,005.50, 1,385.82 and 848.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005.50 : 1,385.82 = 848.54 : x
2. Step 2: Convert to fraction form
   1,005.50/1,385.82 = 848.54/x
3. Step 3: Cross multiply
   1,005.50x = 1,385.82 × 848.54
4. Step 4: Simplify right side
   1,005.50x = 1,175,927.17
5. Step 5: Solve for x
   x = 1,175,927.17/1,005.50
6. Step 6: Final answer
   x = 1,169.49