Finding the Fourth Proportional to 1,511.41, 2,085.78 and 848.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.41 : 2,085.78 = 848.32 : x
2. Step 2: Convert to fraction form
   1,511.41/2,085.78 = 848.32/x
3. Step 3: Cross multiply
   1,511.41x = 2,085.78 × 848.32
4. Step 4: Simplify right side
   1,511.41x = 1,769,411.43
5. Step 5: Solve for x
   x = 1,769,411.43/1,511.41
6. Step 6: Final answer
   x = 1,170.70