Finding the Fourth Proportional to 357,415.72, 536,123.78 and 224,389.41

Step by Step Solution

1. Step 1: Write the proportion equation
   357,415.72 : 536,123.78 = 224,389.41 : x
2. Step 2: Convert to fraction form
   357,415.72/536,123.78 = 224,389.41/x
3. Step 3: Cross multiply
   357,415.72x = 536,123.78 × 224,389.41
4. Step 4: Simplify right side
   357,415.72x = 120,300,496,390.22
5. Step 5: Solve for x
   x = 120,300,496,390.22/357,415.72
6. Step 6: Final answer
   x = 336,584.24