Finding the Fourth Proportional to 8,923.60, 12,308.92 and 7,033.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923.60 : 12,308.92 = 7,033.12 : x
2. Step 2: Convert to fraction form
   8,923.60/12,308.92 = 7,033.12/x
3. Step 3: Cross multiply
   8,923.60x = 12,308.92 × 7,033.12
4. Step 4: Simplify right side
   8,923.60x = 86,570,111.43
5. Step 5: Solve for x
   x = 86,570,111.43/8,923.60
6. Step 6: Final answer
   x = 9,701.25