Finding the Fourth Proportional to 2,184.96, 3,279.16 and 887.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.96 : 3,279.16 = 887.34 : x
2. Step 2: Convert to fraction form
   2,184.96/3,279.16 = 887.34/x
3. Step 3: Cross multiply
   2,184.96x = 3,279.16 × 887.34
4. Step 4: Simplify right side
   2,184.96x = 2,909,729.83
5. Step 5: Solve for x
   x = 2,909,729.83/2,184.96
6. Step 6: Final answer
   x = 1,331.71