Finding the Fourth Proportional to 10,305.86, 15,453.59 and 7,342.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,305.86 : 15,453.59 = 7,342.61 : x
2. Step 2: Convert to fraction form
   10,305.86/15,453.59 = 7,342.61/x
3. Step 3: Cross multiply
   10,305.86x = 15,453.59 × 7,342.61
4. Step 4: Simplify right side
   10,305.86x = 113,469,570.49
5. Step 5: Solve for x
   x = 113,469,570.49/10,305.86
6. Step 6: Final answer
   x = 11,010.20