Finding the Fourth Proportional to 162,415.89, 243,033.30 and 134,072.37

Step by Step Solution

1. Step 1: Write the proportion equation
   162,415.89 : 243,033.30 = 134,072.37 : x
2. Step 2: Convert to fraction form
   162,415.89/243,033.30 = 134,072.37/x
3. Step 3: Cross multiply
   162,415.89x = 243,033.30 × 134,072.37
4. Step 4: Simplify right side
   162,415.89x = 32,584,050,519.92
5. Step 5: Solve for x
   x = 32,584,050,519.92/162,415.89
6. Step 6: Final answer
   x = 200,621.08