Finding the Fourth Proportional to 65,024.56, 89,677.74 and 42,355

Step by Step Solution

1. Step 1: Write the proportion equation
   65,024.56 : 89,677.74 = 42,355 : x
2. Step 2: Convert to fraction form
   65,024.56/89,677.74 = 42,355/x
3. Step 3: Cross multiply
   65,024.56x = 89,677.74 × 42,355
4. Step 4: Simplify right side
   65,024.56x = 3,798,300,677.70
5. Step 5: Solve for x
   x = 3,798,300,677.70/65,024.56
6. Step 6: Final answer
   x = 58,413.32