Finding the Fourth Proportional to 196,433, 271,077.54 and 107,009

Step by Step Solution

1. Step 1: Write the proportion equation
   196,433 : 271,077.54 = 107,009 : x
2. Step 2: Convert to fraction form
   196,433/271,077.54 = 107,009/x
3. Step 3: Cross multiply
   196,433x = 271,077.54 × 107,009
4. Step 4: Simplify right side
   196,433x = 29,007,736,477.86
5. Step 5: Solve for x
   x = 29,007,736,477.86/196,433
6. Step 6: Final answer
   x = 147,672.42