Finding the Fourth Proportional to 202,738.42, 279,777.17 and 112,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   202,738.42 : 279,777.17 = 112,096.72 : x
2. Step 2: Convert to fraction form
   202,738.42/279,777.17 = 112,096.72/x
3. Step 3: Cross multiply
   202,738.42x = 279,777.17 × 112,096.72
4. Step 4: Simplify right side
   202,738.42x = 31,362,101,128.51
5. Step 5: Solve for x
   x = 31,362,101,128.51/202,738.42
6. Step 6: Final answer
   x = 154,692.45