Finding the Fourth Proportional to 33,078, 45,647.28 and 17,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   33,078 : 45,647.28 = 17,970.69 : x
2. Step 2: Convert to fraction form
   33,078/45,647.28 = 17,970.69/x
3. Step 3: Cross multiply
   33,078x = 45,647.28 × 17,970.69
4. Step 4: Simplify right side
   33,078x = 820,313,118.22
5. Step 5: Solve for x
   x = 820,313,118.22/33,078
6. Step 6: Final answer
   x = 24,799.36