Finding the Fourth Proportional to 42,208.88, 58,209.72 and 36,238.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,208.88 : 58,209.72 = 36,238.64 : x
2. Step 2: Convert to fraction form
   42,208.88/58,209.72 = 36,238.64/x
3. Step 3: Cross multiply
   42,208.88x = 58,209.72 × 36,238.64
4. Step 4: Simplify right side
   42,208.88x = 2,109,441,087.58
5. Step 5: Solve for x
   x = 2,109,441,087.58/42,208.88
6. Step 6: Final answer
   x = 49,976.24