Finding the Fourth Proportional to 154,164.48, 231,093.63 and 74,185.89

Step by Step Solution

1. Step 1: Write the proportion equation
   154,164.48 : 231,093.63 = 74,185.89 : x
2. Step 2: Convert to fraction form
   154,164.48/231,093.63 = 74,185.89/x
3. Step 3: Cross multiply
   154,164.48x = 231,093.63 × 74,185.89
4. Step 4: Simplify right side
   154,164.48x = 17,143,886,614.88
5. Step 5: Solve for x
   x = 17,143,886,614.88/154,164.48
6. Step 6: Final answer
   x = 111,205.17