Finding the Fourth Proportional to 42,759,753, 64,150,323.90 and 12,467,616

Step by Step Solution

1. Step 1: Write the proportion equation
   42,759,753 : 64,150,323.90 = 12,467,616 : x
2. Step 2: Convert to fraction form
   42,759,753/64,150,323.90 = 12,467,616/x
3. Step 3: Cross multiply
   42,759,753x = 64,150,323.90 × 12,467,616
4. Step 4: Simplify right side
   42,759,753x = 799,801,604,660,822.38
5. Step 5: Solve for x
   x = 799,801,604,660,822.38/42,759,753
6. Step 6: Final answer
   x = 18,704,542.20