Finding the Fourth Proportional to 228,674.30, 342,828.27 and 108,671.03

Step by Step Solution

1. Step 1: Write the proportion equation
   228,674.30 : 342,828.27 = 108,671.03 : x
2. Step 2: Convert to fraction form
   228,674.30/342,828.27 = 108,671.03/x
3. Step 3: Cross multiply
   228,674.30x = 342,828.27 × 108,671.03
4. Step 4: Simplify right side
   228,674.30x = 37,255,499,499.88
5. Step 5: Solve for x
   x = 37,255,499,499.88/228,674.30
6. Step 6: Final answer
   x = 162,919.49