Finding the Fourth Proportional to 1,610.96, 2,222.82 and 1,528.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.96 : 2,222.82 = 1,528.94 : x
2. Step 2: Convert to fraction form
   1,610.96/2,222.82 = 1,528.94/x
3. Step 3: Cross multiply
   1,610.96x = 2,222.82 × 1,528.94
4. Step 4: Simplify right side
   1,610.96x = 3,398,558.41
5. Step 5: Solve for x
   x = 3,398,558.41/1,610.96
6. Step 6: Final answer
   x = 2,109.65