Finding the Fourth Proportional to 18,411.02, 25,407.82 and 10,346.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,411.02 : 25,407.82 = 10,346.10 : x
2. Step 2: Convert to fraction form
   18,411.02/25,407.82 = 10,346.10/x
3. Step 3: Cross multiply
   18,411.02x = 25,407.82 × 10,346.10
4. Step 4: Simplify right side
   18,411.02x = 262,871,846.50
5. Step 5: Solve for x
   x = 262,871,846.50/18,411.02
6. Step 6: Final answer
   x = 14,277.96