Finding the Fourth Proportional to 1,341.72, 2,010.96 and 692.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.72 : 2,010.96 = 692.10 : x
2. Step 2: Convert to fraction form
   1,341.72/2,010.96 = 692.10/x
3. Step 3: Cross multiply
   1,341.72x = 2,010.96 × 692.10
4. Step 4: Simplify right side
   1,341.72x = 1,391,785.42
5. Step 5: Solve for x
   x = 1,391,785.42/1,341.72
6. Step 6: Final answer
   x = 1,037.31