Finding the Fourth Proportional to 214,078,290.72, 321,090,043.89 and 68,499,673.44

Step by Step Solution

1. Step 1: Write the proportion equation
   214,078,290.72 : 321,090,043.89 = 68,499,673.44 : x
2. Step 2: Convert to fraction form
   214,078,290.72/321,090,043.89 = 68,499,673.44/x
3. Step 3: Cross multiply
   214,078,290.72x = 321,090,043.89 × 68,499,673.44
4. Step 4: Simplify right side
   214,078,290.72x = 21,994,563,151,300,264
5. Step 5: Solve for x
   x = 21,994,563,151,300,264/214,078,290.72
6. Step 6: Final answer
   x = 102,740,745.35