Finding the Fourth Proportional to 2,101.75, 2,901.01 and 1,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.75 : 2,901.01 = 1,262.72 : x
2. Step 2: Convert to fraction form
   2,101.75/2,901.01 = 1,262.72/x
3. Step 3: Cross multiply
   2,101.75x = 2,901.01 × 1,262.72
4. Step 4: Simplify right side
   2,101.75x = 3,663,163.35
5. Step 5: Solve for x
   x = 3,663,163.35/2,101.75
6. Step 6: Final answer
   x = 1,742.91