Finding the Fourth Proportional to 10,134,572.72, 13,987,057.32 and 5,782,661.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134,572.72 : 13,987,057.32 = 5,782,661.42 : x
2. Step 2: Convert to fraction form
   10,134,572.72/13,987,057.32 = 5,782,661.42/x
3. Step 3: Cross multiply
   10,134,572.72x = 13,987,057.32 × 5,782,661.42
4. Step 4: Simplify right side
   10,134,572.72x = 80,882,416,673,757.31
5. Step 5: Solve for x
   x = 80,882,416,673,757.31/10,134,572.72
6. Step 6: Final answer
   x = 7,980,841.32