Finding the Fourth Proportional to 1,636.89, 2,453.76 and 1,050.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636.89 : 2,453.76 = 1,050.25 : x
2. Step 2: Convert to fraction form
   1,636.89/2,453.76 = 1,050.25/x
3. Step 3: Cross multiply
   1,636.89x = 2,453.76 × 1,050.25
4. Step 4: Simplify right side
   1,636.89x = 2,577,061.44
5. Step 5: Solve for x
   x = 2,577,061.44/1,636.89
6. Step 6: Final answer
   x = 1,574.36