Finding the Fourth Proportional to 2,996.72, 4,498.24 and 1,438.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.72 : 4,498.24 = 1,438.06 : x
2. Step 2: Convert to fraction form
   2,996.72/4,498.24 = 1,438.06/x
3. Step 3: Cross multiply
   2,996.72x = 4,498.24 × 1,438.06
4. Step 4: Simplify right side
   2,996.72x = 6,468,739.01
5. Step 5: Solve for x
   x = 6,468,739.01/2,996.72
6. Step 6: Final answer
   x = 2,158.61