Finding the Fourth Proportional to 109,399.66, 164,127.20 and 30,513.87

Step by Step Solution

1. Step 1: Write the proportion equation
   109,399.66 : 164,127.20 = 30,513.87 : x
2. Step 2: Convert to fraction form
   109,399.66/164,127.20 = 30,513.87/x
3. Step 3: Cross multiply
   109,399.66x = 164,127.20 × 30,513.87
4. Step 4: Simplify right side
   109,399.66x = 5,008,155,891.69
5. Step 5: Solve for x
   x = 5,008,155,891.69/109,399.66
6. Step 6: Final answer
   x = 45,778.53