Finding the Fourth Proportional to 30,144, 41,598.72 and 16,896

Step by Step Solution

1. Step 1: Write the proportion equation
   30,144 : 41,598.72 = 16,896 : x
2. Step 2: Convert to fraction form
   30,144/41,598.72 = 16,896/x
3. Step 3: Cross multiply
   30,144x = 41,598.72 × 16,896
4. Step 4: Simplify right side
   30,144x = 702,851,973.12
5. Step 5: Solve for x
   x = 702,851,973.12/30,144
6. Step 6: Final answer
   x = 23,316.48