Finding the Fourth Proportional to 9,362.37, 12,919.82 and 5,113.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.37 : 12,919.82 = 5,113.55 : x
2. Step 2: Convert to fraction form
   9,362.37/12,919.82 = 5,113.55/x
3. Step 3: Cross multiply
   9,362.37x = 12,919.82 × 5,113.55
4. Step 4: Simplify right side
   9,362.37x = 66,066,055.39
5. Step 5: Solve for x
   x = 66,066,055.39/9,362.37
6. Step 6: Final answer
   x = 7,056.55