Finding the Fourth Proportional to 109,791.82, 164,673.15 and 30,912.85

Step by Step Solution

1. Step 1: Write the proportion equation
   109,791.82 : 164,673.15 = 30,912.85 : x
2. Step 2: Convert to fraction form
   109,791.82/164,673.15 = 30,912.85/x
3. Step 3: Cross multiply
   109,791.82x = 164,673.15 × 30,912.85
4. Step 4: Simplify right side
   109,791.82x = 5,090,516,384.98
5. Step 5: Solve for x
   x = 5,090,516,384.98/109,791.82
6. Step 6: Final answer
   x = 46,365.17