Finding the Fourth Proportional to 10,634.28, 15,953.72 and 3,238.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,634.28 : 15,953.72 = 3,238.55 : x
2. Step 2: Convert to fraction form
   10,634.28/15,953.72 = 3,238.55/x
3. Step 3: Cross multiply
   10,634.28x = 15,953.72 × 3,238.55
4. Step 4: Simplify right side
   10,634.28x = 51,666,823.94
5. Step 5: Solve for x
   x = 51,666,823.94/10,634.28
6. Step 6: Final answer
   x = 4,858.52