Finding the Fourth Proportional to 109,917.10, 164,902.65 and 31,030.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,917.10 : 164,902.65 = 31,030.30 : x
2. Step 2: Convert to fraction form
   109,917.10/164,902.65 = 31,030.30/x
3. Step 3: Cross multiply
   109,917.10x = 164,902.65 × 31,030.30
4. Step 4: Simplify right side
   109,917.10x = 5,116,978,700.30
5. Step 5: Solve for x
   x = 5,116,978,700.30/109,917.10
6. Step 6: Final answer
   x = 46,553.07