Finding the Fourth Proportional to 10,304.33, 15,461.42 and 7,146.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,304.33 : 15,461.42 = 7,146.61 : x
2. Step 2: Convert to fraction form
   10,304.33/15,461.42 = 7,146.61/x
3. Step 3: Cross multiply
   10,304.33x = 15,461.42 × 7,146.61
4. Step 4: Simplify right side
   10,304.33x = 110,496,664.40
5. Step 5: Solve for x
   x = 110,496,664.40/10,304.33
6. Step 6: Final answer
   x = 10,723.33