Finding the Fourth Proportional to 42,538.26, 58,604.52 and 30,580.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,538.26 : 58,604.52 = 30,580.92 : x
2. Step 2: Convert to fraction form
   42,538.26/58,604.52 = 30,580.92/x
3. Step 3: Cross multiply
   42,538.26x = 58,604.52 × 30,580.92
4. Step 4: Simplify right side
   42,538.26x = 1,792,180,137.76
5. Step 5: Solve for x
   x = 1,792,180,137.76/42,538.26
6. Step 6: Final answer
   x = 42,131.02