Finding the Fourth Proportional to 43,143,882,976.50, 64,715,824,464.78 and 12,124,734,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,143,882,976.50 : 64,715,824,464.78 = 12,124,734,688.50 : x
2. Step 2: Convert to fraction form
   43,143,882,976.50/64,715,824,464.78 = 12,124,734,688.50/x
3. Step 3: Cross multiply
   43,143,882,976.50x = 64,715,824,464.78 × 12,124,734,688.50
4. Step 4: Simplify right side
   43,143,882,976.50x = 784,662,201,782,994,993,152
5. Step 5: Solve for x
   x = 784,662,201,782,994,993,152/43,143,882,976.50
6. Step 6: Final answer
   x = 18,187,102,032.76