Finding the Fourth Proportional to 1,609.84, 2,222.56 and 1,510.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.84 : 2,222.56 = 1,510.56 : x
2. Step 2: Convert to fraction form
   1,609.84/2,222.56 = 1,510.56/x
3. Step 3: Cross multiply
   1,609.84x = 2,222.56 × 1,510.56
4. Step 4: Simplify right side
   1,609.84x = 3,357,310.23
5. Step 5: Solve for x
   x = 3,357,310.23/1,609.84
6. Step 6: Final answer
   x = 2,085.49