Finding the Fourth Proportional to 2,977.46, 4,466.28 and 1,128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,977.46 : 4,466.28 = 1,128.71 : x
2. Step 2: Convert to fraction form
   2,977.46/4,466.28 = 1,128.71/x
3. Step 3: Cross multiply
   2,977.46x = 4,466.28 × 1,128.71
4. Step 4: Simplify right side
   2,977.46x = 5,041,112.57
5. Step 5: Solve for x
   x = 5,041,112.57/2,977.46
6. Step 6: Final answer
   x = 1,693.09