Finding the Fourth Proportional to 8,852.63, 13,287.15 and 7,064.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.63 : 13,287.15 = 7,064.76 : x
2. Step 2: Convert to fraction form
   8,852.63/13,287.15 = 7,064.76/x
3. Step 3: Cross multiply
   8,852.63x = 13,287.15 × 7,064.76
4. Step 4: Simplify right side
   8,852.63x = 93,870,525.83
5. Step 5: Solve for x
   x = 93,870,525.83/8,852.63
6. Step 6: Final answer
   x = 10,603.68