Finding the Fourth Proportional to 196,395.72, 271,051.38 and 119,898.78

Step by Step Solution

1. Step 1: Write the proportion equation
   196,395.72 : 271,051.38 = 119,898.78 : x
2. Step 2: Convert to fraction form
   196,395.72/271,051.38 = 119,898.78/x
3. Step 3: Cross multiply
   196,395.72x = 271,051.38 × 119,898.78
4. Step 4: Simplify right side
   196,395.72x = 32,498,729,779.32
5. Step 5: Solve for x
   x = 32,498,729,779.32/196,395.72
6. Step 6: Final answer
   x = 165,475.75