Finding the Fourth Proportional to 2,518.42, 3,473.31 and 1,622.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.42 : 3,473.31 = 1,622.30 : x
2. Step 2: Convert to fraction form
   2,518.42/3,473.31 = 1,622.30/x
3. Step 3: Cross multiply
   2,518.42x = 3,473.31 × 1,622.30
4. Step 4: Simplify right side
   2,518.42x = 5,634,750.81
5. Step 5: Solve for x
   x = 5,634,750.81/2,518.42
6. Step 6: Final answer
   x = 2,237.42