Finding the Fourth Proportional to 1,667.69, 2,503.05 and 888.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.69 : 2,503.05 = 888.35 : x
2. Step 2: Convert to fraction form
   1,667.69/2,503.05 = 888.35/x
3. Step 3: Cross multiply
   1,667.69x = 2,503.05 × 888.35
4. Step 4: Simplify right side
   1,667.69x = 2,223,568.62
5. Step 5: Solve for x
   x = 2,223,568.62/1,667.69
6. Step 6: Final answer
   x = 1,333.32