Finding the Fourth Proportional to 21,810,503,218.16, 32,669,939,116 and 13,838,567,997

Step by Step Solution

1. Step 1: Write the proportion equation
   21,810,503,218.16 : 32,669,939,116 = 13,838,567,997 : x
2. Step 2: Convert to fraction form
   21,810,503,218.16/32,669,939,116 = 13,838,567,997/x
3. Step 3: Cross multiply
   21,810,503,218.16x = 32,669,939,116 × 13,838,567,997
4. Step 4: Simplify right side
   21,810,503,218.16x = 452,105,173,914,616,070,144
5. Step 5: Solve for x
   x = 452,105,173,914,616,070,144/21,810,503,218.16
6. Step 6: Final answer
   x = 20,728,782,339.06