Finding the Fourth Proportional to 12,984,348,105.12, 17,916,888,727.58 and 7,268,945,498.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984,348,105.12 : 17,916,888,727.58 = 7,268,945,498.76 : x
2. Step 2: Convert to fraction form
   12,984,348,105.12/17,916,888,727.58 = 7,268,945,498.76/x
3. Step 3: Cross multiply
   12,984,348,105.12x = 17,916,888,727.58 × 7,268,945,498.76
4. Step 4: Simplify right side
   12,984,348,105.12x = 130,236,887,668,090,093,568
5. Step 5: Solve for x
   x = 130,236,887,668,090,093,568/12,984,348,105.12
6. Step 6: Final answer
   x = 10,030,298,526.63