Finding the Fourth Proportional to 2,185.68, 3,279.12 and 888.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.68 : 3,279.12 = 888.06 : x
2. Step 2: Convert to fraction form
   2,185.68/3,279.12 = 888.06/x
3. Step 3: Cross multiply
   2,185.68x = 3,279.12 × 888.06
4. Step 4: Simplify right side
   2,185.68x = 2,912,055.31
5. Step 5: Solve for x
   x = 2,912,055.31/2,185.68
6. Step 6: Final answer
   x = 1,332.33