Finding the Fourth Proportional to 109,920.10, 164,907.15 and 31,033.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,920.10 : 164,907.15 = 31,033.30 : x
2. Step 2: Convert to fraction form
   109,920.10/164,907.15 = 31,033.30/x
3. Step 3: Cross multiply
   109,920.10x = 164,907.15 × 31,033.30
4. Step 4: Simplify right side
   109,920.10x = 5,117,613,058.10
5. Step 5: Solve for x
   x = 5,117,613,058.10/109,920.10
6. Step 6: Final answer
   x = 46,557.57