Finding the Fourth Proportional to 3,468.34, 5,201.75 and 1,128.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,468.34 : 5,201.75 = 1,128.54 : x
2. Step 2: Convert to fraction form
   3,468.34/5,201.75 = 1,128.54/x
3. Step 3: Cross multiply
   3,468.34x = 5,201.75 × 1,128.54
4. Step 4: Simplify right side
   3,468.34x = 5,870,382.95
5. Step 5: Solve for x
   x = 5,870,382.95/3,468.34
6. Step 6: Final answer
   x = 1,692.56