Finding the Fourth Proportional to 1,271.69, 1,757.12 and 1,050.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.69 : 1,757.12 = 1,050.25 : x
2. Step 2: Convert to fraction form
   1,271.69/1,757.12 = 1,050.25/x
3. Step 3: Cross multiply
   1,271.69x = 1,757.12 × 1,050.25
4. Step 4: Simplify right side
   1,271.69x = 1,845,415.28
5. Step 5: Solve for x
   x = 1,845,415.28/1,271.69
6. Step 6: Final answer
   x = 1,451.15