Finding the Fourth Proportional to 367,055.27, 550,783.58 and 142,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   367,055.27 : 550,783.58 = 142,424.56 : x
2. Step 2: Convert to fraction form
   367,055.27/550,783.58 = 142,424.56/x
3. Step 3: Cross multiply
   367,055.27x = 550,783.58 × 142,424.56
4. Step 4: Simplify right side
   367,055.27x = 78,445,109,036.72
5. Step 5: Solve for x
   x = 78,445,109,036.72/367,055.27
6. Step 6: Final answer
   x = 213,714.71