Finding the Fourth Proportional to 109,761.86, 164,623.60 and 30,857.34

Step by Step Solution

1. Step 1: Write the proportion equation
   109,761.86 : 164,623.60 = 30,857.34 : x
2. Step 2: Convert to fraction form
   109,761.86/164,623.60 = 30,857.34/x
3. Step 3: Cross multiply
   109,761.86x = 164,623.60 × 30,857.34
4. Step 4: Simplify right side
   109,761.86x = 5,079,846,397.22
5. Step 5: Solve for x
   x = 5,079,846,397.22/109,761.86
6. Step 6: Final answer
   x = 46,280.62