Finding the Fourth Proportional to 18,434,424.69, 25,439,490.18 and 10,285,662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,434,424.69 : 25,439,490.18 = 10,285,662.69 : x
2. Step 2: Convert to fraction form
   18,434,424.69/25,439,490.18 = 10,285,662.69/x
3. Step 3: Cross multiply
   18,434,424.69x = 25,439,490.18 × 10,285,662.69
4. Step 4: Simplify right side
   18,434,424.69x = 261,662,014,997,047.38
5. Step 5: Solve for x
   x = 261,662,014,997,047.38/18,434,424.69
6. Step 6: Final answer
   x = 14,194,205.64