Finding the Fourth Proportional to 2,505.62, 3,457.82 and 1,622.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.62 : 3,457.82 = 1,622.96 : x
2. Step 2: Convert to fraction form
   2,505.62/3,457.82 = 1,622.96/x
3. Step 3: Cross multiply
   2,505.62x = 3,457.82 × 1,622.96
4. Step 4: Simplify right side
   2,505.62x = 5,611,901.60
5. Step 5: Solve for x
   x = 5,611,901.60/2,505.62
6. Step 6: Final answer
   x = 2,239.72