Finding the Fourth Proportional to 71,019.36, 98,018.64 and 42,727.68

Step by Step Solution

1. Step 1: Write the proportion equation
   71,019.36 : 98,018.64 = 42,727.68 : x
2. Step 2: Convert to fraction form
   71,019.36/98,018.64 = 42,727.68/x
3. Step 3: Cross multiply
   71,019.36x = 98,018.64 × 42,727.68
4. Step 4: Simplify right side
   71,019.36x = 4,188,109,083.96
5. Step 5: Solve for x
   x = 4,188,109,083.96/71,019.36
6. Step 6: Final answer
   x = 58,971.37