Finding the Fourth Proportional to 19,944.69, 29,916.55 and 17,308

Step by Step Solution

1. Step 1: Write the proportion equation
   19,944.69 : 29,916.55 = 17,308 : x
2. Step 2: Convert to fraction form
   19,944.69/29,916.55 = 17,308/x
3. Step 3: Cross multiply
   19,944.69x = 29,916.55 × 17,308
4. Step 4: Simplify right side
   19,944.69x = 517,795,647.40
5. Step 5: Solve for x
   x = 517,795,647.40/19,944.69
6. Step 6: Final answer
   x = 25,961.58