Finding the Fourth Proportional to 196,407.16, 271,034.25 and 120,054.09

Step by Step Solution

1. Step 1: Write the proportion equation
   196,407.16 : 271,034.25 = 120,054.09 : x
2. Step 2: Convert to fraction form
   196,407.16/271,034.25 = 120,054.09/x
3. Step 3: Cross multiply
   196,407.16x = 271,034.25 × 120,054.09
4. Step 4: Simplify right side
   196,407.16x = 32,538,770,808.76
5. Step 5: Solve for x
   x = 32,538,770,808.76/196,407.16
6. Step 6: Final answer
   x = 165,669.98