Finding the Fourth Proportional to 2,185.96, 3,279.42 and 888.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.96 : 3,279.42 = 888.04 : x
2. Step 2: Convert to fraction form
   2,185.96/3,279.42 = 888.04/x
3. Step 3: Cross multiply
   2,185.96x = 3,279.42 × 888.04
4. Step 4: Simplify right side
   2,185.96x = 2,912,256.14
5. Step 5: Solve for x
   x = 2,912,256.14/2,185.96
6. Step 6: Final answer
   x = 1,332.25