Finding the Fourth Proportional to 9,362.42, 12,920.04 and 5,113.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.42 : 12,920.04 = 5,113.47 : x
2. Step 2: Convert to fraction form
   9,362.42/12,920.04 = 5,113.47/x
3. Step 3: Cross multiply
   9,362.42x = 12,920.04 × 5,113.47
4. Step 4: Simplify right side
   9,362.42x = 66,066,236.94
5. Step 5: Solve for x
   x = 66,066,236.94/9,362.42
6. Step 6: Final answer
   x = 7,056.53