Finding the Fourth Proportional to 70,971.86, 97,936.69 and 40,735.91

Step by Step Solution

1. Step 1: Write the proportion equation
   70,971.86 : 97,936.69 = 40,735.91 : x
2. Step 2: Convert to fraction form
   70,971.86/97,936.69 = 40,735.91/x
3. Step 3: Cross multiply
   70,971.86x = 97,936.69 × 40,735.91
4. Step 4: Simplify right side
   70,971.86x = 3,989,540,189.54
5. Step 5: Solve for x
   x = 3,989,540,189.54/70,971.86
6. Step 6: Final answer
   x = 56,212.99