Finding the Fourth Proportional to 1,692.12, 2,333.58 and 1,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.12 : 2,333.58 = 1,062.72 : x
2. Step 2: Convert to fraction form
   1,692.12/2,333.58 = 1,062.72/x
3. Step 3: Cross multiply
   1,692.12x = 2,333.58 × 1,062.72
4. Step 4: Simplify right side
   1,692.12x = 2,479,942.14
5. Step 5: Solve for x
   x = 2,479,942.14/1,692.12
6. Step 6: Final answer
   x = 1,465.58