Finding the Fourth Proportional to 9,509.98, 14,258.89 and 3,967.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,509.98 : 14,258.89 = 3,967.15 : x
2. Step 2: Convert to fraction form
   9,509.98/14,258.89 = 3,967.15/x
3. Step 3: Cross multiply
   9,509.98x = 14,258.89 × 3,967.15
4. Step 4: Simplify right side
   9,509.98x = 56,567,155.46
5. Step 5: Solve for x
   x = 56,567,155.46/9,509.98
6. Step 6: Final answer
   x = 5,948.19