Finding the Fourth Proportional to 2,973.72, 4,457.70 and 1,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.72 : 4,457.70 = 1,123.56 : x
2. Step 2: Convert to fraction form
   2,973.72/4,457.70 = 1,123.56/x
3. Step 3: Cross multiply
   2,973.72x = 4,457.70 × 1,123.56
4. Step 4: Simplify right side
   2,973.72x = 5,008,493.41
5. Step 5: Solve for x
   x = 5,008,493.41/2,973.72
6. Step 6: Final answer
   x = 1,684.25