Finding the Fourth Proportional to 367,053.27, 550,780.58 and 142,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   367,053.27 : 550,780.58 = 142,422.56 : x
2. Step 2: Convert to fraction form
   367,053.27/550,780.58 = 142,422.56/x
3. Step 3: Cross multiply
   367,053.27x = 550,780.58 × 142,422.56
4. Step 4: Simplify right side
   367,053.27x = 78,443,580,201.88
5. Step 5: Solve for x
   x = 78,443,580,201.88/367,053.27
6. Step 6: Final answer
   x = 213,711.71