Finding the Fourth Proportional to 10,471.20, 14,450.18 and 5,755.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,471.20 : 14,450.18 = 5,755.47 : x
2. Step 2: Convert to fraction form
   10,471.20/14,450.18 = 5,755.47/x
3. Step 3: Cross multiply
   10,471.20x = 14,450.18 × 5,755.47
4. Step 4: Simplify right side
   10,471.20x = 83,167,548.71
5. Step 5: Solve for x
   x = 83,167,548.71/10,471.20
6. Step 6: Final answer
   x = 7,942.50