Finding the Fourth Proportional to 196,656.96, 271,386.72 and 111,774

Step by Step Solution

1. Step 1: Write the proportion equation
   196,656.96 : 271,386.72 = 111,774 : x
2. Step 2: Convert to fraction form
   196,656.96/271,386.72 = 111,774/x
3. Step 3: Cross multiply
   196,656.96x = 271,386.72 × 111,774
4. Step 4: Simplify right side
   196,656.96x = 30,333,979,241.28
5. Step 5: Solve for x
   x = 30,333,979,241.28/196,656.96
6. Step 6: Final answer
   x = 154,248.19