Finding the Fourth Proportional to 1,057.63, 1,469.59 and 1,046.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.63 : 1,469.59 = 1,046.22 : x
2. Step 2: Convert to fraction form
   1,057.63/1,469.59 = 1,046.22/x
3. Step 3: Cross multiply
   1,057.63x = 1,469.59 × 1,046.22
4. Step 4: Simplify right side
   1,057.63x = 1,537,515.76
5. Step 5: Solve for x
   x = 1,537,515.76/1,057.63
6. Step 6: Final answer
   x = 1,453.74