Finding the Fourth Proportional to 357,618.03, 493,510.82 and 196,469.61

Step by Step Solution

1. Step 1: Write the proportion equation
   357,618.03 : 493,510.82 = 196,469.61 : x
2. Step 2: Convert to fraction form
   357,618.03/493,510.82 = 196,469.61/x
3. Step 3: Cross multiply
   357,618.03x = 493,510.82 × 196,469.61
4. Step 4: Simplify right side
   357,618.03x = 96,959,877,353.83
5. Step 5: Solve for x
   x = 96,959,877,353.83/357,618.03
6. Step 6: Final answer
   x = 271,126.93