Finding the Fourth Proportional to 21,462,895.35, 32,153,788.49 and 12,682,984.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,462,895.35 : 32,153,788.49 = 12,682,984.05 : x
2. Step 2: Convert to fraction form
   21,462,895.35/32,153,788.49 = 12,682,984.05/x
3. Step 3: Cross multiply
   21,462,895.35x = 32,153,788.49 × 12,682,984.05
4. Step 4: Simplify right side
   21,462,895.35x = 407,805,986,502,328.69
5. Step 5: Solve for x
   x = 407,805,986,502,328.69/21,462,895.35
6. Step 6: Final answer
   x = 19,000,511.34