Finding the Fourth Proportional to 2,977.24, 4,465.71 and 1,128.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,977.24 : 4,465.71 = 1,128.22 : x
2. Step 2: Convert to fraction form
   2,977.24/4,465.71 = 1,128.22/x
3. Step 3: Cross multiply
   2,977.24x = 4,465.71 × 1,128.22
4. Step 4: Simplify right side
   2,977.24x = 5,038,303.34
5. Step 5: Solve for x
   x = 5,038,303.34/2,977.24
6. Step 6: Final answer
   x = 1,692.27