Finding the Fourth Proportional to 109,879.89, 164,796.75 and 30,972.93

Step by Step Solution

1. Step 1: Write the proportion equation
   109,879.89 : 164,796.75 = 30,972.93 : x
2. Step 2: Convert to fraction form
   109,879.89/164,796.75 = 30,972.93/x
3. Step 3: Cross multiply
   109,879.89x = 164,796.75 × 30,972.93
4. Step 4: Simplify right side
   109,879.89x = 5,104,238,201.98
5. Step 5: Solve for x
   x = 5,104,238,201.98/109,879.89
6. Step 6: Final answer
   x = 46,452.89