Finding the Fourth Proportional to 5,383.34, 7,428.72 and 2,993.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,383.34 : 7,428.72 = 2,993.46 : x
2. Step 2: Convert to fraction form
   5,383.34/7,428.72 = 2,993.46/x
3. Step 3: Cross multiply
   5,383.34x = 7,428.72 × 2,993.46
4. Step 4: Simplify right side
   5,383.34x = 22,237,576.17
5. Step 5: Solve for x
   x = 22,237,576.17/5,383.34
6. Step 6: Final answer
   x = 4,130.82