Finding the Fourth Proportional to 21,801,222.25, 32,670,984.81 and 12,090,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801,222.25 : 32,670,984.81 = 12,090,106.72 : x
2. Step 2: Convert to fraction form
   21,801,222.25/32,670,984.81 = 12,090,106.72/x
3. Step 3: Cross multiply
   21,801,222.25x = 32,670,984.81 × 12,090,106.72
4. Step 4: Simplify right side
   21,801,222.25x = 394,995,693,000,398.94
5. Step 5: Solve for x
   x = 394,995,693,000,398.94/21,801,222.25
6. Step 6: Final answer
   x = 18,118,052.67