Finding the Fourth Proportional to 18,499,544.33, 25,528,566.63 and 10,239,114.11

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499,544.33 : 25,528,566.63 = 10,239,114.11 : x
2. Step 2: Convert to fraction form
   18,499,544.33/25,528,566.63 = 10,239,114.11/x
3. Step 3: Cross multiply
   18,499,544.33x = 25,528,566.63 × 10,239,114.11
4. Step 4: Simplify right side
   18,499,544.33x = 261,389,906,661,665.31
5. Step 5: Solve for x
   x = 261,389,906,661,665.31/18,499,544.33
6. Step 6: Final answer
   x = 14,129,532.17