Finding the Fourth Proportional to 1,510.71, 2,084.46 and 1,091.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.71 : 2,084.46 = 1,091.70 : x
2. Step 2: Convert to fraction form
   1,510.71/2,084.46 = 1,091.70/x
3. Step 3: Cross multiply
   1,510.71x = 2,084.46 × 1,091.70
4. Step 4: Simplify right side
   1,510.71x = 2,275,604.98
5. Step 5: Solve for x
   x = 2,275,604.98/1,510.71
6. Step 6: Final answer
   x = 1,506.31