Finding the Fourth Proportional to 9,019.47, 12,446.84 and 5,040.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.47 : 12,446.84 = 5,040.58 : x
2. Step 2: Convert to fraction form
   9,019.47/12,446.84 = 5,040.58/x
3. Step 3: Cross multiply
   9,019.47x = 12,446.84 × 5,040.58
4. Step 4: Simplify right side
   9,019.47x = 62,739,292.77
5. Step 5: Solve for x
   x = 62,739,292.77/9,019.47
6. Step 6: Final answer
   x = 6,955.98