Finding the Fourth Proportional to 1,511.58, 2,085.72 and 848.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.58 : 2,085.72 = 848.34 : x
2. Step 2: Convert to fraction form
   1,511.58/2,085.72 = 848.34/x
3. Step 3: Cross multiply
   1,511.58x = 2,085.72 × 848.34
4. Step 4: Simplify right side
   1,511.58x = 1,769,399.70
5. Step 5: Solve for x
   x = 1,769,399.70/1,511.58
6. Step 6: Final answer
   x = 1,170.56