Finding the Fourth Proportional to 2,601.63, 3,898.71 and 1,120.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.63 : 3,898.71 = 1,120.46 : x
2. Step 2: Convert to fraction form
   2,601.63/3,898.71 = 1,120.46/x
3. Step 3: Cross multiply
   2,601.63x = 3,898.71 × 1,120.46
4. Step 4: Simplify right side
   2,601.63x = 4,368,329.11
5. Step 5: Solve for x
   x = 4,368,329.11/2,601.63
6. Step 6: Final answer
   x = 1,679.07