Finding the Fourth Proportional to 1,667.56, 2,501.88 and 694.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.56 : 2,501.88 = 694.48 : x
2. Step 2: Convert to fraction form
   1,667.56/2,501.88 = 694.48/x
3. Step 3: Cross multiply
   1,667.56x = 2,501.88 × 694.48
4. Step 4: Simplify right side
   1,667.56x = 1,737,505.62
5. Step 5: Solve for x
   x = 1,737,505.62/1,667.56
6. Step 6: Final answer
   x = 1,041.94