Finding the Fourth Proportional to 194,443.86, 268,354.17 and 122,820.42

Step by Step Solution

1. Step 1: Write the proportion equation
   194,443.86 : 268,354.17 = 122,820.42 : x
2. Step 2: Convert to fraction form
   194,443.86/268,354.17 = 122,820.42/x
3. Step 3: Cross multiply
   194,443.86x = 268,354.17 × 122,820.42
4. Step 4: Simplify right side
   194,443.86x = 32,959,371,868.15
5. Step 5: Solve for x
   x = 32,959,371,868.15/194,443.86
6. Step 6: Final answer
   x = 169,505.85