Finding the Fourth Proportional to 5,142.69, 7,714.30 and 1,632.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.69 : 7,714.30 = 1,632.43 : x
2. Step 2: Convert to fraction form
   5,142.69/7,714.30 = 1,632.43/x
3. Step 3: Cross multiply
   5,142.69x = 7,714.30 × 1,632.43
4. Step 4: Simplify right side
   5,142.69x = 12,593,031.38
5. Step 5: Solve for x
   x = 12,593,031.38/5,142.69
6. Step 6: Final answer
   x = 2,448.72