Finding the Fourth Proportional to 2,756.61, 4,134.24 and 1,112.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.61 : 4,134.24 = 1,112.67 : x
2. Step 2: Convert to fraction form
   2,756.61/4,134.24 = 1,112.67/x
3. Step 3: Cross multiply
   2,756.61x = 4,134.24 × 1,112.67
4. Step 4: Simplify right side
   2,756.61x = 4,600,044.82
5. Step 5: Solve for x
   x = 4,600,044.82/2,756.61
6. Step 6: Final answer
   x = 1,668.73