Finding the Fourth Proportional to 1,511.48, 2,085.86 and 848.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.48 : 2,085.86 = 848.35 : x
2. Step 2: Convert to fraction form
   1,511.48/2,085.86 = 848.35/x
3. Step 3: Cross multiply
   1,511.48x = 2,085.86 × 848.35
4. Step 4: Simplify right side
   1,511.48x = 1,769,539.33
5. Step 5: Solve for x
   x = 1,769,539.33/1,511.48
6. Step 6: Final answer
   x = 1,170.73