Finding the Fourth Proportional to 367,429.56, 551,002.63 and 142,760.41

Step by Step Solution

1. Step 1: Write the proportion equation
   367,429.56 : 551,002.63 = 142,760.41 : x
2. Step 2: Convert to fraction form
   367,429.56/551,002.63 = 142,760.41/x
3. Step 3: Cross multiply
   367,429.56x = 551,002.63 × 142,760.41
4. Step 4: Simplify right side
   367,429.56x = 78,661,361,369.88
5. Step 5: Solve for x
   x = 78,661,361,369.88/367,429.56
6. Step 6: Final answer
   x = 214,085.56