Finding the Fourth Proportional to 2,507.67, 3,458.34 and 1,622.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.67 : 3,458.34 = 1,622.55 : x
2. Step 2: Convert to fraction form
   2,507.67/3,458.34 = 1,622.55/x
3. Step 3: Cross multiply
   2,507.67x = 3,458.34 × 1,622.55
4. Step 4: Simplify right side
   2,507.67x = 5,611,329.57
5. Step 5: Solve for x
   x = 5,611,329.57/2,507.67
6. Step 6: Final answer
   x = 2,237.67