Finding the Fourth Proportional to 196,632.72, 271,352.52 and 107,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,632.72 : 271,352.52 = 107,208.72 : x
2. Step 2: Convert to fraction form
   196,632.72/271,352.52 = 107,208.72/x
3. Step 3: Cross multiply
   196,632.72x = 271,352.52 × 107,208.72
4. Step 4: Simplify right side
   196,632.72x = 29,091,356,337.97
5. Step 5: Solve for x
   x = 29,091,356,337.97/196,632.72
6. Step 6: Final answer
   x = 147,947.69