Finding the Fourth Proportional to 72,764.38, 100,413.34 and 42,567.58

Step by Step Solution

1. Step 1: Write the proportion equation
   72,764.38 : 100,413.34 = 42,567.58 : x
2. Step 2: Convert to fraction form
   72,764.38/100,413.34 = 42,567.58/x
3. Step 3: Cross multiply
   72,764.38x = 100,413.34 × 42,567.58
4. Step 4: Simplify right side
   72,764.38x = 4,274,352,883.52
5. Step 5: Solve for x
   x = 4,274,352,883.52/72,764.38
6. Step 6: Final answer
   x = 58,742.38