Finding the Fourth Proportional to 42,725.39, 64,101.04 and 30,269.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,725.39 : 64,101.04 = 30,269.51 : x
2. Step 2: Convert to fraction form
   42,725.39/64,101.04 = 30,269.51/x
3. Step 3: Cross multiply
   42,725.39x = 64,101.04 × 30,269.51
4. Step 4: Simplify right side
   42,725.39x = 1,940,306,915.49
5. Step 5: Solve for x
   x = 1,940,306,915.49/42,725.39
6. Step 6: Final answer
   x = 45,413.44