Finding the Fourth Proportional to 1,510.72, 2,084.80 and 847.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.72 : 2,084.80 = 847.54 : x
2. Step 2: Convert to fraction form
   1,510.72/2,084.80 = 847.54/x
3. Step 3: Cross multiply
   1,510.72x = 2,084.80 × 847.54
4. Step 4: Simplify right side
   1,510.72x = 1,766,951.39
5. Step 5: Solve for x
   x = 1,766,951.39/1,510.72
6. Step 6: Final answer
   x = 1,169.61