Finding the Fourth Proportional to 23,026,969,746.67, 31,778,862,621.10 and 12,726,843,109.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,026,969,746.67 : 31,778,862,621.10 = 12,726,843,109.12 : x
2. Step 2: Convert to fraction form
   23,026,969,746.67/31,778,862,621.10 = 12,726,843,109.12/x
3. Step 3: Cross multiply
   23,026,969,746.67x = 31,778,862,621.10 × 12,726,843,109.12
4. Step 4: Simplify right side
   23,026,969,746.67x = 404,444,598,764,839,632,896
5. Step 5: Solve for x
   x = 404,444,598,764,839,632,896/23,026,969,746.67
6. Step 6: Final answer
   x = 17,563,952,322.62