Finding the Fourth Proportional to 109,716.10, 164,574.15 and 43,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,716.10 : 164,574.15 = 43,134.10 : x
2. Step 2: Convert to fraction form
   109,716.10/164,574.15 = 43,134.10/x
3. Step 3: Cross multiply
   109,716.10x = 164,574.15 × 43,134.10
4. Step 4: Simplify right side
   109,716.10x = 7,098,757,843.52
5. Step 5: Solve for x
   x = 7,098,757,843.52/109,716.10
6. Step 6: Final answer
   x = 64,701.15