Finding the Fourth Proportional to 160,380.42, 240,500.57 and 76,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   160,380.42 : 240,500.57 = 76,164.72 : x
2. Step 2: Convert to fraction form
   160,380.42/240,500.57 = 76,164.72/x
3. Step 3: Cross multiply
   160,380.42x = 240,500.57 × 76,164.72
4. Step 4: Simplify right side
   160,380.42x = 18,317,658,573.89
5. Step 5: Solve for x
   x = 18,317,658,573.89/160,380.42
6. Step 6: Final answer
   x = 114,213.81