Finding the Fourth Proportional to 9,648.21, 14,445.69 and 4,958.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.21 : 14,445.69 = 4,958.10 : x
2. Step 2: Convert to fraction form
   9,648.21/14,445.69 = 4,958.10/x
3. Step 3: Cross multiply
   9,648.21x = 14,445.69 × 4,958.10
4. Step 4: Simplify right side
   9,648.21x = 71,623,175.59
5. Step 5: Solve for x
   x = 71,623,175.59/9,648.21
6. Step 6: Final answer
   x = 7,423.47