Finding the Fourth Proportional to 71,109,806.17, 98,139,496.47 and 40,171,968.35

Step by Step Solution

1. Step 1: Write the proportion equation
   71,109,806.17 : 98,139,496.47 = 40,171,968.35 : x
2. Step 2: Convert to fraction form
   71,109,806.17/98,139,496.47 = 40,171,968.35/x
3. Step 3: Cross multiply
   71,109,806.17x = 98,139,496.47 × 40,171,968.35
4. Step 4: Simplify right side
   71,109,806.17x = 3,942,456,746,077,777
5. Step 5: Solve for x
   x = 3,942,456,746,077,777/71,109,806.17
6. Step 6: Final answer
   x = 55,441,815.39