Finding the Fourth Proportional to 109,940.10, 164,910.15 and 43,358.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,940.10 : 164,910.15 = 43,358.10 : x
2. Step 2: Convert to fraction form
   109,940.10/164,910.15 = 43,358.10/x
3. Step 3: Cross multiply
   109,940.10x = 164,910.15 × 43,358.10
4. Step 4: Simplify right side
   109,940.10x = 7,150,190,774.72
5. Step 5: Solve for x
   x = 7,150,190,774.72/109,940.10
6. Step 6: Final answer
   x = 65,037.15