Finding the Fourth Proportional to 9,499.12, 14,258.70 and 5,342.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.12 : 14,258.70 = 5,342.68 : x
2. Step 2: Convert to fraction form
   9,499.12/14,258.70 = 5,342.68/x
3. Step 3: Cross multiply
   9,499.12x = 14,258.70 × 5,342.68
4. Step 4: Simplify right side
   9,499.12x = 76,179,671.32
5. Step 5: Solve for x
   x = 76,179,671.32/9,499.12
6. Step 6: Final answer
   x = 8,019.66