Finding the Fourth Proportional to 194,142.89, 267,842.74 and 120,520.79

Step by Step Solution

1. Step 1: Write the proportion equation
   194,142.89 : 267,842.74 = 120,520.79 : x
2. Step 2: Convert to fraction form
   194,142.89/267,842.74 = 120,520.79/x
3. Step 3: Cross multiply
   194,142.89x = 267,842.74 × 120,520.79
4. Step 4: Simplify right side
   194,142.89x = 32,280,618,050.32
5. Step 5: Solve for x
   x = 32,280,618,050.32/194,142.89
6. Step 6: Final answer
   x = 166,272.47