Finding the Fourth Proportional to 171,073.27, 256,651.62 and 120,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   171,073.27 : 256,651.62 = 120,570.72 : x
2. Step 2: Convert to fraction form
   171,073.27/256,651.62 = 120,570.72/x
3. Step 3: Cross multiply
   171,073.27x = 256,651.62 × 120,570.72
4. Step 4: Simplify right side
   171,073.27x = 30,944,670,612.57
5. Step 5: Solve for x
   x = 30,944,670,612.57/171,073.27
6. Step 6: Final answer
   x = 180,885.48