Finding the Fourth Proportional to 9,004.54, 12,422.79 and 5,641.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,004.54 : 12,422.79 = 5,641.49 : x
2. Step 2: Convert to fraction form
   9,004.54/12,422.79 = 5,641.49/x
3. Step 3: Cross multiply
   9,004.54x = 12,422.79 × 5,641.49
4. Step 4: Simplify right side
   9,004.54x = 70,083,045.56
5. Step 5: Solve for x
   x = 70,083,045.56/9,004.54
6. Step 6: Final answer
   x = 7,783.08