Finding the Fourth Proportional to 1,510.74, 2,084.71 and 847.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.74 : 2,084.71 = 847.69 : x
2. Step 2: Convert to fraction form
   1,510.74/2,084.71 = 847.69/x
3. Step 3: Cross multiply
   1,510.74x = 2,084.71 × 847.69
4. Step 4: Simplify right side
   1,510.74x = 1,767,190.33
5. Step 5: Solve for x
   x = 1,767,190.33/1,510.74
6. Step 6: Final answer
   x = 1,169.75