Finding the Fourth Proportional to 196,514.48, 271,113 and 120,931.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,514.48 : 271,113 = 120,931.76 : x
2. Step 2: Convert to fraction form
   196,514.48/271,113 = 120,931.76/x
3. Step 3: Cross multiply
   196,514.48x = 271,113 × 120,931.76
4. Step 4: Simplify right side
   196,514.48x = 32,786,172,248.88
5. Step 5: Solve for x
   x = 32,786,172,248.88/196,514.48
6. Step 6: Final answer
   x = 166,838.46