Finding the Fourth Proportional to 196,574.72, 271,272.48 and 107,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,574.72 : 271,272.48 = 107,150.72 : x
2. Step 2: Convert to fraction form
   196,574.72/271,272.48 = 107,150.72/x
3. Step 3: Cross multiply
   196,574.72x = 271,272.48 × 107,150.72
4. Step 4: Simplify right side
   196,574.72x = 29,067,041,548.19
5. Step 5: Solve for x
   x = 29,067,041,548.19/196,574.72
6. Step 6: Final answer
   x = 147,867.65