Finding the Fourth Proportional to 1,511.67, 2,086.18 and 848.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.67 : 2,086.18 = 848.47 : x
2. Step 2: Convert to fraction form
   1,511.67/2,086.18 = 848.47/x
3. Step 3: Cross multiply
   1,511.67x = 2,086.18 × 848.47
4. Step 4: Simplify right side
   1,511.67x = 1,770,061.14
5. Step 5: Solve for x
   x = 1,770,061.14/1,511.67
6. Step 6: Final answer
   x = 1,170.93