Finding the Fourth Proportional to 42,920.89, 59,230.15 and 23,539.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,920.89 : 59,230.15 = 23,539.75 : x
2. Step 2: Convert to fraction form
   42,920.89/59,230.15 = 23,539.75/x
3. Step 3: Cross multiply
   42,920.89x = 59,230.15 × 23,539.75
4. Step 4: Simplify right side
   42,920.89x = 1,394,262,923.46
5. Step 5: Solve for x
   x = 1,394,262,923.46/42,920.89
6. Step 6: Final answer
   x = 32,484.48