Finding the Fourth Proportional to 197,585, 272,667.30 and 108,161

Step by Step Solution

1. Step 1: Write the proportion equation
   197,585 : 272,667.30 = 108,161 : x
2. Step 2: Convert to fraction form
   197,585/272,667.30 = 108,161/x
3. Step 3: Cross multiply
   197,585x = 272,667.30 × 108,161
4. Step 4: Simplify right side
   197,585x = 29,491,967,835.30
5. Step 5: Solve for x
   x = 29,491,967,835.30/197,585
6. Step 6: Final answer
   x = 149,262.18