Finding the Fourth Proportional to 71,109,803.69, 98,139,493.04 and 40,171,965.87

Step by Step Solution

1. Step 1: Write the proportion equation
   71,109,803.69 : 98,139,493.04 = 40,171,965.87 : x
2. Step 2: Convert to fraction form
   71,109,803.69/98,139,493.04 = 40,171,965.87/x
3. Step 3: Cross multiply
   71,109,803.69x = 98,139,493.04 × 40,171,965.87
4. Step 4: Simplify right side
   71,109,803.69x = 3,942,456,364,701,122.50
5. Step 5: Solve for x
   x = 3,942,456,364,701,122.50/71,109,803.69
6. Step 6: Final answer
   x = 55,441,811.96