Finding the Fourth Proportional to 10,446.45, 14,416.40 and 5,731.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,446.45 : 14,416.40 = 5,731.03 : x
2. Step 2: Convert to fraction form
   10,446.45/14,416.40 = 5,731.03/x
3. Step 3: Cross multiply
   10,446.45x = 14,416.40 × 5,731.03
4. Step 4: Simplify right side
   10,446.45x = 82,620,820.89
5. Step 5: Solve for x
   x = 82,620,820.89/10,446.45
6. Step 6: Final answer
   x = 7,908.99