Finding the Fourth Proportional to 196,796.34, 271,731.53 and 153,700.61

Step by Step Solution

1. Step 1: Write the proportion equation
   196,796.34 : 271,731.53 = 153,700.61 : x
2. Step 2: Convert to fraction form
   196,796.34/271,731.53 = 153,700.61/x
3. Step 3: Cross multiply
   196,796.34x = 271,731.53 × 153,700.61
4. Step 4: Simplify right side
   196,796.34x = 41,765,300,942.83
5. Step 5: Solve for x
   x = 41,765,300,942.83/196,796.34
6. Step 6: Final answer
   x = 212,226.00