Finding the Fourth Proportional to 10,000.48, 14,997.42 and 3,426.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,000.48 : 14,997.42 = 3,426.52 : x
2. Step 2: Convert to fraction form
   10,000.48/14,997.42 = 3,426.52/x
3. Step 3: Cross multiply
   10,000.48x = 14,997.42 × 3,426.52
4. Step 4: Simplify right side
   10,000.48x = 51,388,959.58
5. Step 5: Solve for x
   x = 51,388,959.58/10,000.48
6. Step 6: Final answer
   x = 5,138.65