Finding the Fourth Proportional to 196,404.34, 271,030.36 and 120,051.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,404.34 : 271,030.36 = 120,051.28 : x
2. Step 2: Convert to fraction form
   196,404.34/271,030.36 = 120,051.28/x
3. Step 3: Cross multiply
   196,404.34x = 271,030.36 × 120,051.28
4. Step 4: Simplify right side
   196,404.34x = 32,537,540,713.72
5. Step 5: Solve for x
   x = 32,537,540,713.72/196,404.34
6. Step 6: Final answer
   x = 165,666.10