Finding the Fourth Proportional to 196,513.48, 271,111.62 and 120,930.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,513.48 : 271,111.62 = 120,930.76 : x
2. Step 2: Convert to fraction form
   196,513.48/271,111.62 = 120,930.76/x
3. Step 3: Cross multiply
   196,513.48x = 271,111.62 × 120,930.76
4. Step 4: Simplify right side
   196,513.48x = 32,785,734,251.43
5. Step 5: Solve for x
   x = 32,785,734,251.43/196,513.48
6. Step 6: Final answer
   x = 166,837.08