Finding the Fourth Proportional to 498,113,135,222.77, 687,396,789,499.93 and 269,742,771,056.43

Step by Step Solution

1. Step 1: Write the proportion equation
   498,113,135,222.77 : 687,396,789,499.93 = 269,742,771,056.43 : x
2. Step 2: Convert to fraction form
   498,113,135,222.77/687,396,789,499.93 = 269,742,771,056.43/x
3. Step 3: Cross multiply
   498,113,135,222.77x = 687,396,789,499.93 × 269,742,771,056.43
4. Step 4: Simplify right side
   498,113,135,222.77x = 185,420,314,815,004,619,571,200
5. Step 5: Solve for x
   x = 185,420,314,815,004,619,571,200/498,113,135,222.77
6. Step 6: Final answer
   x = 372,245,383,033.47