Finding the Fourth Proportional to 7,321.39, 10,103.30 and 4,134.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.39 : 10,103.30 = 4,134.81 : x
2. Step 2: Convert to fraction form
   7,321.39/10,103.30 = 4,134.81/x
3. Step 3: Cross multiply
   7,321.39x = 10,103.30 × 4,134.81
4. Step 4: Simplify right side
   7,321.39x = 41,775,258.59
5. Step 5: Solve for x
   x = 41,775,258.59/7,321.39
6. Step 6: Final answer
   x = 5,705.92