Finding the Fourth Proportional to 243,123.68, 364,548.72 and 167,311.28

Step by Step Solution

1. Step 1: Write the proportion equation
   243,123.68 : 364,548.72 = 167,311.28 : x
2. Step 2: Convert to fraction form
   243,123.68/364,548.72 = 167,311.28/x
3. Step 3: Cross multiply
   243,123.68x = 364,548.72 × 167,311.28
4. Step 4: Simplify right side
   243,123.68x = 60,993,112,965.56
5. Step 5: Solve for x
   x = 60,993,112,965.56/243,123.68
6. Step 6: Final answer
   x = 250,872.78