Finding the Fourth Proportional to 22,485,692.86, 33,728,535.43 and 12,259,152.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485,692.86 : 33,728,535.43 = 12,259,152.63 : x
2. Step 2: Convert to fraction form
   22,485,692.86/33,728,535.43 = 12,259,152.63/x
3. Step 3: Cross multiply
   22,485,692.86x = 33,728,535.43 × 12,259,152.63
4. Step 4: Simplify right side
   22,485,692.86x = 413,483,263,658,402.31
5. Step 5: Solve for x
   x = 413,483,263,658,402.31/22,485,692.86
6. Step 6: Final answer
   x = 18,388,726.83