Finding the Fourth Proportional to 340,411.40, 510,380.61 and 150,768.42

Step by Step Solution

1. Step 1: Write the proportion equation
   340,411.40 : 510,380.61 = 150,768.42 : x
2. Step 2: Convert to fraction form
   340,411.40/510,380.61 = 150,768.42/x
3. Step 3: Cross multiply
   340,411.40x = 510,380.61 × 150,768.42
4. Step 4: Simplify right side
   340,411.40x = 76,949,278,168.34
5. Step 5: Solve for x
   x = 76,949,278,168.34/340,411.40
6. Step 6: Final answer
   x = 226,047.89