Finding the Fourth Proportional to 12,003,457,109.50, 18,003,551,206.42 and 3,159,555,371.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003,457,109.50 : 18,003,551,206.42 = 3,159,555,371.63 : x
2. Step 2: Convert to fraction form
   12,003,457,109.50/18,003,551,206.42 = 3,159,555,371.63/x
3. Step 3: Cross multiply
   12,003,457,109.50x = 18,003,551,206.42 × 3,159,555,371.63
4. Step 4: Simplify right side
   12,003,457,109.50x = 56,883,216,922,660,077,568
5. Step 5: Solve for x
   x = 56,883,216,922,660,077,568/12,003,457,109.50
6. Step 6: Final answer
   x = 4,738,902,834.72