Finding the Fourth Proportional to 1,511.34, 2,085.42 and 848.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.34 : 2,085.42 = 848.10 : x
2. Step 2: Convert to fraction form
   1,511.34/2,085.42 = 848.10/x
3. Step 3: Cross multiply
   1,511.34x = 2,085.42 × 848.10
4. Step 4: Simplify right side
   1,511.34x = 1,768,644.70
5. Step 5: Solve for x
   x = 1,768,644.70/1,511.34
6. Step 6: Final answer
   x = 1,170.25