Finding the Fourth Proportional to 18,261.14, 25,196.31 and 10,300.46

Step by Step Solution

1. Step 1: Write the proportion equation
   18,261.14 : 25,196.31 = 10,300.46 : x
2. Step 2: Convert to fraction form
   18,261.14/25,196.31 = 10,300.46/x
3. Step 3: Cross multiply
   18,261.14x = 25,196.31 × 10,300.46
4. Step 4: Simplify right side
   18,261.14x = 259,533,457.32
5. Step 5: Solve for x
   x = 259,533,457.32/18,261.14
6. Step 6: Final answer
   x = 14,212.34