Finding the Fourth Proportional to 1,650.00, 2,473.71 and 1,128.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.00 : 2,473.71 = 1,128.70 : x
2. Step 2: Convert to fraction form
   1,650.00/2,473.71 = 1,128.70/x
3. Step 3: Cross multiply
   1,650.00x = 2,473.71 × 1,128.70
4. Step 4: Simplify right side
   1,650.00x = 2,792,075.34
5. Step 5: Solve for x
   x = 2,792,075.34/1,650.00
6. Step 6: Final answer
   x = 1,692.16