Finding the Fourth Proportional to 2,188.34, 3,017.02 and 1,684.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.34 : 3,017.02 = 1,684.76 : x
2. Step 2: Convert to fraction form
   2,188.34/3,017.02 = 1,684.76/x
3. Step 3: Cross multiply
   2,188.34x = 3,017.02 × 1,684.76
4. Step 4: Simplify right side
   2,188.34x = 5,082,935.32
5. Step 5: Solve for x
   x = 5,082,935.32/2,188.34
6. Step 6: Final answer
   x = 2,322.74