Finding the Fourth Proportional to 4,996.56, 7,491.24 and 3,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,996.56 : 7,491.24 = 3,123.12 : x
2. Step 2: Convert to fraction form
   4,996.56/7,491.24 = 3,123.12/x
3. Step 3: Cross multiply
   4,996.56x = 7,491.24 × 3,123.12
4. Step 4: Simplify right side
   4,996.56x = 23,396,041.47
5. Step 5: Solve for x
   x = 23,396,041.47/4,996.56
6. Step 6: Final answer
   x = 4,682.43