Finding the Fourth Proportional to 10,269,870, 14,172,863.62 and 5,686,191.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269,870 : 14,172,863.62 = 5,686,191.38 : x
2. Step 2: Convert to fraction form
   10,269,870/14,172,863.62 = 5,686,191.38/x
3. Step 3: Cross multiply
   10,269,870x = 14,172,863.62 × 5,686,191.38
4. Step 4: Simplify right side
   10,269,870x = 80,589,614,945,959.59
5. Step 5: Solve for x
   x = 80,589,614,945,959.59/10,269,870
6. Step 6: Final answer
   x = 7,847,189.39