Finding the Fourth Proportional to 196,980.52, 271,801.46 and 112,099

Step by Step Solution

1. Step 1: Write the proportion equation
   196,980.52 : 271,801.46 = 112,099 : x
2. Step 2: Convert to fraction form
   196,980.52/271,801.46 = 112,099/x
3. Step 3: Cross multiply
   196,980.52x = 271,801.46 × 112,099
4. Step 4: Simplify right side
   196,980.52x = 30,468,671,864.54
5. Step 5: Solve for x
   x = 30,468,671,864.54/196,980.52
6. Step 6: Final answer
   x = 154,678.60