Finding the Fourth Proportional to 17,124.48, 23,632.56 and 13,392

Step by Step Solution

1. Step 1: Write the proportion equation
   17,124.48 : 23,632.56 = 13,392 : x
2. Step 2: Convert to fraction form
   17,124.48/23,632.56 = 13,392/x
3. Step 3: Cross multiply
   17,124.48x = 23,632.56 × 13,392
4. Step 4: Simplify right side
   17,124.48x = 316,487,243.52
5. Step 5: Solve for x
   x = 316,487,243.52/17,124.48
6. Step 6: Final answer
   x = 18,481.57