Finding the Fourth Proportional to 1,692.57, 2,335.72 and 946.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.57 : 2,335.72 = 946.52 : x
2. Step 2: Convert to fraction form
   1,692.57/2,335.72 = 946.52/x
3. Step 3: Cross multiply
   1,692.57x = 2,335.72 × 946.52
4. Step 4: Simplify right side
   1,692.57x = 2,210,816.03
5. Step 5: Solve for x
   x = 2,210,816.03/1,692.57
6. Step 6: Final answer
   x = 1,306.19