Finding the Fourth Proportional to 22,541,872, 31,107,783.36 and 12,884,287.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,541,872 : 31,107,783.36 = 12,884,287.36 : x
2. Step 2: Convert to fraction form
   22,541,872/31,107,783.36 = 12,884,287.36/x
3. Step 3: Cross multiply
   22,541,872x = 31,107,783.36 × 12,884,287.36
4. Step 4: Simplify right side
   22,541,872x = 400,801,619,942,866.31
5. Step 5: Solve for x
   x = 400,801,619,942,866.31/22,541,872
6. Step 6: Final answer
   x = 17,780,316.56