Finding the Fourth Proportional to 108,985,309.34, 150,436,171.84 and 64,946,118.02

Step by Step Solution

1. Step 1: Write the proportion equation
   108,985,309.34 : 150,436,171.84 = 64,946,118.02 : x
2. Step 2: Convert to fraction form
   108,985,309.34/150,436,171.84 = 64,946,118.02/x
3. Step 3: Cross multiply
   108,985,309.34x = 150,436,171.84 × 64,946,118.02
4. Step 4: Simplify right side
   108,985,309.34x = 9,770,245,370,797,642
5. Step 5: Solve for x
   x = 9,770,245,370,797,642/108,985,309.34
6. Step 6: Final answer
   x = 89,647,361.01