Finding the Fourth Proportional to 1,510.28, 2,084.31 and 847.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.28 : 2,084.31 = 847.18 : x
2. Step 2: Convert to fraction form
   1,510.28/2,084.31 = 847.18/x
3. Step 3: Cross multiply
   1,510.28x = 2,084.31 × 847.18
4. Step 4: Simplify right side
   1,510.28x = 1,765,784.00
5. Step 5: Solve for x
   x = 1,765,784.00/1,510.28
6. Step 6: Final answer
   x = 1,169.17