Finding the Fourth Proportional to 10,270.73, 15,405.69 and 7,141.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270.73 : 15,405.69 = 7,141.52 : x
2. Step 2: Convert to fraction form
   10,270.73/15,405.69 = 7,141.52/x
3. Step 3: Cross multiply
   10,270.73x = 15,405.69 × 7,141.52
4. Step 4: Simplify right side
   10,270.73x = 110,020,043.25
5. Step 5: Solve for x
   x = 110,020,043.25/10,270.73
6. Step 6: Final answer
   x = 10,712.00