Finding the Fourth Proportional to 9,019.37, 12,446.49 and 5,040.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.37 : 12,446.49 = 5,040.52 : x
2. Step 2: Convert to fraction form
   9,019.37/12,446.49 = 5,040.52/x
3. Step 3: Cross multiply
   9,019.37x = 12,446.49 × 5,040.52
4. Step 4: Simplify right side
   9,019.37x = 62,736,781.77
5. Step 5: Solve for x
   x = 62,736,781.77/9,019.37
6. Step 6: Final answer
   x = 6,955.78