Finding the Fourth Proportional to 2,670.46, 3,685.89 and 1,623.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.46 : 3,685.89 = 1,623.22 : x
2. Step 2: Convert to fraction form
   2,670.46/3,685.89 = 1,623.22/x
3. Step 3: Cross multiply
   2,670.46x = 3,685.89 × 1,623.22
4. Step 4: Simplify right side
   2,670.46x = 5,983,010.37
5. Step 5: Solve for x
   x = 5,983,010.37/2,670.46
6. Step 6: Final answer
   x = 2,240.44