Finding the Fourth Proportional to 21,803,259,156.48, 32,703,713,003.52 and 12,481,188,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,803,259,156.48 : 32,703,713,003.52 = 12,481,188,802.56 : x
2. Step 2: Convert to fraction form
   21,803,259,156.48/32,703,713,003.52 = 12,481,188,802.56/x
3. Step 3: Cross multiply
   21,803,259,156.48x = 32,703,713,003.52 × 12,481,188,802.56
4. Step 4: Simplify right side
   21,803,259,156.48x = 408,181,216,541,669,654,528
5. Step 5: Solve for x
   x = 408,181,216,541,669,654,528/21,803,259,156.48
6. Step 6: Final answer
   x = 18,721,110,161.20