Finding the Fourth Proportional to 112,172,191.56, 154,823,452.39 and 65,777,392.26

Step by Step Solution

1. Step 1: Write the proportion equation
   112,172,191.56 : 154,823,452.39 = 65,777,392.26 : x
2. Step 2: Convert to fraction form
   112,172,191.56/154,823,452.39 = 65,777,392.26/x
3. Step 3: Cross multiply
   112,172,191.56x = 154,823,452.39 × 65,777,392.26
4. Step 4: Simplify right side
   112,172,191.56x = 10,183,882,958,617,018
5. Step 5: Solve for x
   x = 10,183,882,958,617,018/112,172,191.56
6. Step 6: Final answer
   x = 90,787,946.79