Finding the Fourth Proportional to 10,864,538.72, 16,304,466.24 and 5,107,535.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864,538.72 : 16,304,466.24 = 5,107,535.12 : x
2. Step 2: Convert to fraction form
   10,864,538.72/16,304,466.24 = 5,107,535.12/x
3. Step 3: Cross multiply
   10,864,538.72x = 16,304,466.24 × 5,107,535.12
4. Step 4: Simplify right side
   10,864,538.72x = 83,275,633,933,654.36
5. Step 5: Solve for x
   x = 83,275,633,933,654.36/10,864,538.72
6. Step 6: Final answer
   x = 7,664,902.86