Finding the Fourth Proportional to 196,405.34, 271,031.74 and 120,052.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,405.34 : 271,031.74 = 120,052.28 : x
2. Step 2: Convert to fraction form
   196,405.34/271,031.74 = 120,052.28/x
3. Step 3: Cross multiply
   196,405.34x = 271,031.74 × 120,052.28
4. Step 4: Simplify right side
   196,405.34x = 32,537,978,339.37
5. Step 5: Solve for x
   x = 32,537,978,339.37/196,405.34
6. Step 6: Final answer
   x = 165,667.48