Finding the Fourth Proportional to 162,414.69, 243,561.36 and 55,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   162,414.69 : 243,561.36 = 55,768.38 : x
2. Step 2: Convert to fraction form
   162,414.69/243,561.36 = 55,768.38/x
3. Step 3: Cross multiply
   162,414.69x = 243,561.36 × 55,768.38
4. Step 4: Simplify right side
   162,414.69x = 13,583,022,477.80
5. Step 5: Solve for x
   x = 13,583,022,477.80/162,414.69
6. Step 6: Final answer
   x = 83,631.74