Finding the Fourth Proportional to 10,408.64, 15,604.32 and 7,113.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,408.64 : 15,604.32 = 7,113.56 : x
2. Step 2: Convert to fraction form
   10,408.64/15,604.32 = 7,113.56/x
3. Step 3: Cross multiply
   10,408.64x = 15,604.32 × 7,113.56
4. Step 4: Simplify right side
   10,408.64x = 111,002,266.58
5. Step 5: Solve for x
   x = 111,002,266.58/10,408.64
6. Step 6: Final answer
   x = 10,664.44