Finding the Fourth Proportional to 12,333.32, 17,019.24 and 7,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,333.32 : 17,019.24 = 7,028.72 : x
2. Step 2: Convert to fraction form
   12,333.32/17,019.24 = 7,028.72/x
3. Step 3: Cross multiply
   12,333.32x = 17,019.24 × 7,028.72
4. Step 4: Simplify right side
   12,333.32x = 119,623,472.57
5. Step 5: Solve for x
   x = 119,623,472.57/12,333.32
6. Step 6: Final answer
   x = 9,699.21