Finding the Fourth Proportional to 21,757,086.08, 32,620,906.56 and 12,179,075.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,757,086.08 : 32,620,906.56 = 12,179,075.84 : x
2. Step 2: Convert to fraction form
   21,757,086.08/32,620,906.56 = 12,179,075.84/x
3. Step 3: Cross multiply
   21,757,086.08x = 32,620,906.56 × 12,179,075.84
4. Step 4: Simplify right side
   21,757,086.08x = 397,292,494,963,793.50
5. Step 5: Solve for x
   x = 397,292,494,963,793.50/21,757,086.08
6. Step 6: Final answer
   x = 18,260,372.44