Finding the Fourth Proportional to 42,378.69, 58,504.37 and 29,859.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,378.69 : 58,504.37 = 29,859.33 : x
2. Step 2: Convert to fraction form
   42,378.69/58,504.37 = 29,859.33/x
3. Step 3: Cross multiply
   42,378.69x = 58,504.37 × 29,859.33
4. Step 4: Simplify right side
   42,378.69x = 1,746,901,290.27
5. Step 5: Solve for x
   x = 1,746,901,290.27/42,378.69
6. Step 6: Final answer
   x = 41,221.22