Finding the Fourth Proportional to 10,864,345.05, 16,304,174.64 and 5,107,340.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864,345.05 : 16,304,174.64 = 5,107,340.79 : x
2. Step 2: Convert to fraction form
   10,864,345.05/16,304,174.64 = 5,107,340.79/x
3. Step 3: Cross multiply
   10,864,345.05x = 16,304,174.64 × 5,107,340.79
4. Step 4: Simplify right side
   10,864,345.05x = 83,270,976,186,155.56
5. Step 5: Solve for x
   x = 83,270,976,186,155.56/10,864,345.05
6. Step 6: Final answer
   x = 7,664,610.78