Finding the Fourth Proportional to 16,638.88, 22,939.60 and 13,795.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638.88 : 22,939.60 = 13,795.52 : x
2. Step 2: Convert to fraction form
   16,638.88/22,939.60 = 13,795.52/x
3. Step 3: Cross multiply
   16,638.88x = 22,939.60 × 13,795.52
4. Step 4: Simplify right side
   16,638.88x = 316,463,710.59
5. Step 5: Solve for x
   x = 316,463,710.59/16,638.88
6. Step 6: Final answer
   x = 19,019.53