Finding the Fourth Proportional to 10,434.88, 15,644.58 and 3,859.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.88 : 15,644.58 = 3,859.84 : x
2. Step 2: Convert to fraction form
   10,434.88/15,644.58 = 3,859.84/x
3. Step 3: Cross multiply
   10,434.88x = 15,644.58 × 3,859.84
4. Step 4: Simplify right side
   10,434.88x = 60,385,575.67
5. Step 5: Solve for x
   x = 60,385,575.67/10,434.88
6. Step 6: Final answer
   x = 5,786.90