Finding the Fourth Proportional to 12,364.21, 17,059.56 and 7,329.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364.21 : 17,059.56 = 7,329.61 : x
2. Step 2: Convert to fraction form
   12,364.21/17,059.56 = 7,329.61/x
3. Step 3: Cross multiply
   12,364.21x = 17,059.56 × 7,329.61
4. Step 4: Simplify right side
   12,364.21x = 125,039,921.57
5. Step 5: Solve for x
   x = 125,039,921.57/12,364.21
6. Step 6: Final answer
   x = 10,113.05