Finding the Fourth Proportional to 13,020.73, 17,969.71 and 7,356.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.73 : 17,969.71 = 7,356.51 : x
2. Step 2: Convert to fraction form
   13,020.73/17,969.71 = 7,356.51/x
3. Step 3: Cross multiply
   13,020.73x = 17,969.71 × 7,356.51
4. Step 4: Simplify right side
   13,020.73x = 132,194,359.45
5. Step 5: Solve for x
   x = 132,194,359.45/13,020.73
6. Step 6: Final answer
   x = 10,152.61