Finding the Fourth Proportional to 1,510.30, 2,084.28 and 847.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.30 : 2,084.28 = 847.12 : x
2. Step 2: Convert to fraction form
   1,510.30/2,084.28 = 847.12/x
3. Step 3: Cross multiply
   1,510.30x = 2,084.28 × 847.12
4. Step 4: Simplify right side
   1,510.30x = 1,765,635.27
5. Step 5: Solve for x
   x = 1,765,635.27/1,510.30
6. Step 6: Final answer
   x = 1,169.06