Finding the Fourth Proportional to 109,942.10, 164,940.15 and 31,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,942.10 : 164,940.15 = 31,055.30 : x
2. Step 2: Convert to fraction form
   109,942.10/164,940.15 = 31,055.30/x
3. Step 3: Cross multiply
   109,942.10x = 164,940.15 × 31,055.30
4. Step 4: Simplify right side
   109,942.10x = 5,122,265,840.30
5. Step 5: Solve for x
   x = 5,122,265,840.30/109,942.10
6. Step 6: Final answer
   x = 46,590.58