Finding the Fourth Proportional to 7,410.89, 11,112.24 and 3,031.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,410.89 : 11,112.24 = 3,031.43 : x
2. Step 2: Convert to fraction form
   7,410.89/11,112.24 = 3,031.43/x
3. Step 3: Cross multiply
   7,410.89x = 11,112.24 × 3,031.43
4. Step 4: Simplify right side
   7,410.89x = 33,685,906.98
5. Step 5: Solve for x
   x = 33,685,906.98/7,410.89
6. Step 6: Final answer
   x = 4,545.46