Finding the Fourth Proportional to 1,511.71, 2,086.17 and 848.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.71 : 2,086.17 = 848.53 : x
2. Step 2: Convert to fraction form
   1,511.71/2,086.17 = 848.53/x
3. Step 3: Cross multiply
   1,511.71x = 2,086.17 × 848.53
4. Step 4: Simplify right side
   1,511.71x = 1,770,177.83
5. Step 5: Solve for x
   x = 1,770,177.83/1,511.71
6. Step 6: Final answer
   x = 1,170.98