Finding the Fourth Proportional to 10,938.04, 16,404.22 and 3,145.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.04 : 16,404.22 = 3,145.04 : x
2. Step 2: Convert to fraction form
   10,938.04/16,404.22 = 3,145.04/x
3. Step 3: Cross multiply
   10,938.04x = 16,404.22 × 3,145.04
4. Step 4: Simplify right side
   10,938.04x = 51,591,928.07
5. Step 5: Solve for x
   x = 51,591,928.07/10,938.04
6. Step 6: Final answer
   x = 4,716.74