Finding the Fourth Proportional to 12,327.28, 17,012.84 and 7,293.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.28 : 17,012.84 = 7,293.12 : x
2. Step 2: Convert to fraction form
   12,327.28/17,012.84 = 7,293.12/x
3. Step 3: Cross multiply
   12,327.28x = 17,012.84 × 7,293.12
4. Step 4: Simplify right side
   12,327.28x = 124,076,639.60
5. Step 5: Solve for x
   x = 124,076,639.60/12,327.28
6. Step 6: Final answer
   x = 10,065.21