Finding the Fourth Proportional to 9,031.48, 12,479.06 and 7,456.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.48 : 12,479.06 = 7,456.84 : x
2. Step 2: Convert to fraction form
   9,031.48/12,479.06 = 7,456.84/x
3. Step 3: Cross multiply
   9,031.48x = 12,479.06 × 7,456.84
4. Step 4: Simplify right side
   9,031.48x = 93,054,353.77
5. Step 5: Solve for x
   x = 93,054,353.77/9,031.48
6. Step 6: Final answer
   x = 10,303.33