Finding the Fourth Proportional to 9,039.06, 12,456.99 and 7,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.06 : 12,456.99 = 7,046.46 : x
2. Step 2: Convert to fraction form
   9,039.06/12,456.99 = 7,046.46/x
3. Step 3: Cross multiply
   9,039.06x = 12,456.99 × 7,046.46
4. Step 4: Simplify right side
   9,039.06x = 87,777,681.76
5. Step 5: Solve for x
   x = 87,777,681.76/9,039.06
6. Step 6: Final answer
   x = 9,710.93