Finding the Fourth Proportional to 24,810.72, 34,238.88 and 13,632.48

Step by Step Solution

1. Step 1: Write the proportion equation
   24,810.72 : 34,238.88 = 13,632.48 : x
2. Step 2: Convert to fraction form
   24,810.72/34,238.88 = 13,632.48/x
3. Step 3: Cross multiply
   24,810.72x = 34,238.88 × 13,632.48
4. Step 4: Simplify right side
   24,810.72x = 466,760,846.82
5. Step 5: Solve for x
   x = 466,760,846.82/24,810.72
6. Step 6: Final answer
   x = 18,812.87