Finding the Fourth Proportional to 9,721.41, 14,584.42 and 3,147.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,721.41 : 14,584.42 = 3,147.59 : x
2. Step 2: Convert to fraction form
   9,721.41/14,584.42 = 3,147.59/x
3. Step 3: Cross multiply
   9,721.41x = 14,584.42 × 3,147.59
4. Step 4: Simplify right side
   9,721.41x = 45,905,774.55
5. Step 5: Solve for x
   x = 45,905,774.55/9,721.41
6. Step 6: Final answer
   x = 4,722.13