Finding the Fourth Proportional to 5,431.02, 7,494.72 and 3,073.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,431.02 : 7,494.72 = 3,073.02 : x
2. Step 2: Convert to fraction form
   5,431.02/7,494.72 = 3,073.02/x
3. Step 3: Cross multiply
   5,431.02x = 7,494.72 × 3,073.02
4. Step 4: Simplify right side
   5,431.02x = 23,031,424.45
5. Step 5: Solve for x
   x = 23,031,424.45/5,431.02
6. Step 6: Final answer
   x = 4,240.72