Finding the Fourth Proportional to 18,131.83, 25,021.51 and 10,064.99

Step by Step Solution

1. Step 1: Write the proportion equation
   18,131.83 : 25,021.51 = 10,064.99 : x
2. Step 2: Convert to fraction form
   18,131.83/25,021.51 = 10,064.99/x
3. Step 3: Cross multiply
   18,131.83x = 25,021.51 × 10,064.99
4. Step 4: Simplify right side
   18,131.83x = 251,841,285.33
5. Step 5: Solve for x
   x = 251,841,285.33/18,131.83
6. Step 6: Final answer
   x = 13,889.46