Finding the Fourth Proportional to 2,949.72, 4,070.88 and 1,623.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.72 : 4,070.88 = 1,623.72 : x
2. Step 2: Convert to fraction form
   2,949.72/4,070.88 = 1,623.72/x
3. Step 3: Cross multiply
   2,949.72x = 4,070.88 × 1,623.72
4. Step 4: Simplify right side
   2,949.72x = 6,609,969.27
5. Step 5: Solve for x
   x = 6,609,969.27/2,949.72
6. Step 6: Final answer
   x = 2,240.88