Finding the Fourth Proportional to 70,900.50, 97,839.63 and 40,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,900.50 : 97,839.63 = 40,664.82 : x
2. Step 2: Convert to fraction form
   70,900.50/97,839.63 = 40,664.82/x
3. Step 3: Cross multiply
   70,900.50x = 97,839.63 × 40,664.82
4. Step 4: Simplify right side
   70,900.50x = 3,978,630,942.82
5. Step 5: Solve for x
   x = 3,978,630,942.82/70,900.50
6. Step 6: Final answer
   x = 56,115.70