Finding the Fourth Proportional to 196,553.89, 271,414.50 and 186,464.73

Step by Step Solution

1. Step 1: Write the proportion equation
   196,553.89 : 271,414.50 = 186,464.73 : x
2. Step 2: Convert to fraction form
   196,553.89/271,414.50 = 186,464.73/x
3. Step 3: Cross multiply
   196,553.89x = 271,414.50 × 186,464.73
4. Step 4: Simplify right side
   196,553.89x = 50,609,231,779.15
5. Step 5: Solve for x
   x = 50,609,231,779.15/196,553.89
6. Step 6: Final answer
   x = 257,482.73