Finding the Fourth Proportional to 1,141.01, 1,574.33 and 692.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.01 : 1,574.33 = 692.78 : x
2. Step 2: Convert to fraction form
   1,141.01/1,574.33 = 692.78/x
3. Step 3: Cross multiply
   1,141.01x = 1,574.33 × 692.78
4. Step 4: Simplify right side
   1,141.01x = 1,090,661.50
5. Step 5: Solve for x
   x = 1,090,661.50/1,141.01
6. Step 6: Final answer
   x = 955.87