Finding the Fourth Proportional to 1,510.49, 2,084.37 and 838.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.49 : 2,084.37 = 838.25 : x
2. Step 2: Convert to fraction form
   1,510.49/2,084.37 = 838.25/x
3. Step 3: Cross multiply
   1,510.49x = 2,084.37 × 838.25
4. Step 4: Simplify right side
   1,510.49x = 1,747,212.73
5. Step 5: Solve for x
   x = 1,747,212.73/1,510.49
6. Step 6: Final answer
   x = 1,156.72