Finding the Fourth Proportional to 2,634.27, 3,951.86 and 1,075.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.27 : 3,951.86 = 1,075.12 : x
2. Step 2: Convert to fraction form
   2,634.27/3,951.86 = 1,075.12/x
3. Step 3: Cross multiply
   2,634.27x = 3,951.86 × 1,075.12
4. Step 4: Simplify right side
   2,634.27x = 4,248,739.77
5. Step 5: Solve for x
   x = 4,248,739.77/2,634.27
6. Step 6: Final answer
   x = 1,612.87