Finding the Fourth Proportional to 22,700,939.33, 31,327,962.63 and 12,388,327.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700,939.33 : 31,327,962.63 = 12,388,327.94 : x
2. Step 2: Convert to fraction form
   22,700,939.33/31,327,962.63 = 12,388,327.94/x
3. Step 3: Cross multiply
   22,700,939.33x = 31,327,962.63 × 12,388,327.94
4. Step 4: Simplify right side
   22,700,939.33x = 388,101,074,752,504.88
5. Step 5: Solve for x
   x = 388,101,074,752,504.88/22,700,939.33
6. Step 6: Final answer
   x = 17,096,256.20