Finding the Fourth Proportional to 1,511.39, 2,085.72 and 848.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.39 : 2,085.72 = 848.46 : x
2. Step 2: Convert to fraction form
   1,511.39/2,085.72 = 848.46/x
3. Step 3: Cross multiply
   1,511.39x = 2,085.72 × 848.46
4. Step 4: Simplify right side
   1,511.39x = 1,769,650.92
5. Step 5: Solve for x
   x = 1,769,650.92/1,511.39
6. Step 6: Final answer
   x = 1,170.87