Finding the Fourth Proportional to 10,242.47, 14,133.71 and 5,704.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,242.47 : 14,133.71 = 5,704.81 : x
2. Step 2: Convert to fraction form
   10,242.47/14,133.71 = 5,704.81/x
3. Step 3: Cross multiply
   10,242.47x = 14,133.71 × 5,704.81
4. Step 4: Simplify right side
   10,242.47x = 80,630,066.29
5. Step 5: Solve for x
   x = 80,630,066.29/10,242.47
6. Step 6: Final answer
   x = 7,872.13