Finding the Fourth Proportional to 109,907.30, 164,904.15 and 43,336.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,907.30 : 164,904.15 = 43,336.10 : x
2. Step 2: Convert to fraction form
   109,907.30/164,904.15 = 43,336.10/x
3. Step 3: Cross multiply
   109,907.30x = 164,904.15 × 43,336.10
4. Step 4: Simplify right side
   109,907.30x = 7,146,302,734.82
5. Step 5: Solve for x
   x = 7,146,302,734.82/109,907.30
6. Step 6: Final answer
   x = 65,021.18