Finding the Fourth Proportional to 10,443.49, 15,664.67 and 3,422.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.49 : 15,664.67 = 3,422.61 : x
2. Step 2: Convert to fraction form
   10,443.49/15,664.67 = 3,422.61/x
3. Step 3: Cross multiply
   10,443.49x = 15,664.67 × 3,422.61
4. Step 4: Simplify right side
   10,443.49x = 53,614,056.19
5. Step 5: Solve for x
   x = 53,614,056.19/10,443.49
6. Step 6: Final answer
   x = 5,133.73