Finding the Fourth Proportional to 10,443.14, 14,412.45 and 5,728.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.14 : 14,412.45 = 5,728.34 : x
2. Step 2: Convert to fraction form
   10,443.14/14,412.45 = 5,728.34/x
3. Step 3: Cross multiply
   10,443.14x = 14,412.45 × 5,728.34
4. Step 4: Simplify right side
   10,443.14x = 82,559,341.77
5. Step 5: Solve for x
   x = 82,559,341.77/10,443.14
6. Step 6: Final answer
   x = 7,905.61