Finding the Fourth Proportional to 9,040.06, 12,458.37 and 7,047.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.06 : 12,458.37 = 7,047.46 : x
2. Step 2: Convert to fraction form
   9,040.06/12,458.37 = 7,047.46/x
3. Step 3: Cross multiply
   9,040.06x = 12,458.37 × 7,047.46
4. Step 4: Simplify right side
   9,040.06x = 87,799,864.24
5. Step 5: Solve for x
   x = 87,799,864.24/9,040.06
6. Step 6: Final answer
   x = 9,712.31