Finding the Fourth Proportional to 109,919.10, 164,905.65 and 31,032.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,919.10 : 164,905.65 = 31,032.30 : x
2. Step 2: Convert to fraction form
   109,919.10/164,905.65 = 31,032.30/x
3. Step 3: Cross multiply
   109,919.10x = 164,905.65 × 31,032.30
4. Step 4: Simplify right side
   109,919.10x = 5,117,401,602.50
5. Step 5: Solve for x
   x = 5,117,401,602.50/109,919.10
6. Step 6: Final answer
   x = 46,556.07