Finding the Fourth Proportional to 2,624.23, 3,620.51 and 1,680.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.23 : 3,620.51 = 1,680.17 : x
2. Step 2: Convert to fraction form
   2,624.23/3,620.51 = 1,680.17/x
3. Step 3: Cross multiply
   2,624.23x = 3,620.51 × 1,680.17
4. Step 4: Simplify right side
   2,624.23x = 6,083,063.89
5. Step 5: Solve for x
   x = 6,083,063.89/2,624.23
6. Step 6: Final answer
   x = 2,318.04