Finding the Fourth Proportional to 1,642.68, 2,264.82 and 1,052.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.68 : 2,264.82 = 1,052.22 : x
2. Step 2: Convert to fraction form
   1,642.68/2,264.82 = 1,052.22/x
3. Step 3: Cross multiply
   1,642.68x = 2,264.82 × 1,052.22
4. Step 4: Simplify right side
   1,642.68x = 2,383,088.90
5. Step 5: Solve for x
   x = 2,383,088.90/1,642.68
6. Step 6: Final answer
   x = 1,450.73