Finding the Fourth Proportional to 74,109.76, 102,277.32 and 42,271.36

Step by Step Solution

1. Step 1: Write the proportion equation
   74,109.76 : 102,277.32 = 42,271.36 : x
2. Step 2: Convert to fraction form
   74,109.76/102,277.32 = 42,271.36/x
3. Step 3: Cross multiply
   74,109.76x = 102,277.32 × 42,271.36
4. Step 4: Simplify right side
   74,109.76x = 4,323,401,413.56
5. Step 5: Solve for x
   x = 4,323,401,413.56/74,109.76
6. Step 6: Final answer
   x = 58,337.81