Finding the Fourth Proportional to 2,287.02, 3,154.86 and 1,622.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.02 : 3,154.86 = 1,622.70 : x
2. Step 2: Convert to fraction form
   2,287.02/3,154.86 = 1,622.70/x
3. Step 3: Cross multiply
   2,287.02x = 3,154.86 × 1,622.70
4. Step 4: Simplify right side
   2,287.02x = 5,119,391.32
5. Step 5: Solve for x
   x = 5,119,391.32/2,287.02
6. Step 6: Final answer
   x = 2,238.45