Finding the Fourth Proportional to 42,418.90, 58,539.88 and 23,556

Step by Step Solution

1. Step 1: Write the proportion equation
   42,418.90 : 58,539.88 = 23,556 : x
2. Step 2: Convert to fraction form
   42,418.90/58,539.88 = 23,556/x
3. Step 3: Cross multiply
   42,418.90x = 58,539.88 × 23,556
4. Step 4: Simplify right side
   42,418.90x = 1,378,965,413.28
5. Step 5: Solve for x
   x = 1,378,965,413.28/42,418.90
6. Step 6: Final answer
   x = 32,508.28