Finding the Fourth Proportional to 367,048.72, 550,773.76 and 142,418.02

Step by Step Solution

1. Step 1: Write the proportion equation
   367,048.72 : 550,773.76 = 142,418.02 : x
2. Step 2: Convert to fraction form
   367,048.72/550,773.76 = 142,418.02/x
3. Step 3: Cross multiply
   367,048.72x = 550,773.76 × 142,418.02
4. Step 4: Simplify right side
   367,048.72x = 78,440,108,367.16
5. Step 5: Solve for x
   x = 78,440,108,367.16/367,048.72
6. Step 6: Final answer
   x = 213,704.90