Finding the Fourth Proportional to 9,040.47, 12,476.54 and 5,212.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.47 : 12,476.54 = 5,212.73 : x
2. Step 2: Convert to fraction form
   9,040.47/12,476.54 = 5,212.73/x
3. Step 3: Cross multiply
   9,040.47x = 12,476.54 × 5,212.73
4. Step 4: Simplify right side
   9,040.47x = 65,036,828.83
5. Step 5: Solve for x
   x = 65,036,828.83/9,040.47
6. Step 6: Final answer
   x = 7,193.97