Finding the Fourth Proportional to 123,704.85, 185,338.58 and 109,708.05

Step by Step Solution

1. Step 1: Write the proportion equation
   123,704.85 : 185,338.58 = 109,708.05 : x
2. Step 2: Convert to fraction form
   123,704.85/185,338.58 = 109,708.05/x
3. Step 3: Cross multiply
   123,704.85x = 185,338.58 × 109,708.05
4. Step 4: Simplify right side
   123,704.85x = 20,333,133,653.03
5. Step 5: Solve for x
   x = 20,333,133,653.03/123,704.85
6. Step 6: Final answer
   x = 164,368.12