Finding the Fourth Proportional to 1,342.70, 2,012.83 and 692.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.70 : 2,012.83 = 692.06 : x
2. Step 2: Convert to fraction form
   1,342.70/2,012.83 = 692.06/x
3. Step 3: Cross multiply
   1,342.70x = 2,012.83 × 692.06
4. Step 4: Simplify right side
   1,342.70x = 1,393,002.43
5. Step 5: Solve for x
   x = 1,393,002.43/1,342.70
6. Step 6: Final answer
   x = 1,037.47