Finding the Fourth Proportional to 357,123.47, 492,836.40 and 195,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,123.47 : 492,836.40 = 195,993.50 : x
2. Step 2: Convert to fraction form
   357,123.47/492,836.40 = 195,993.50/x
3. Step 3: Cross multiply
   357,123.47x = 492,836.40 × 195,993.50
4. Step 4: Simplify right side
   357,123.47x = 96,592,728,499.22
5. Step 5: Solve for x
   x = 96,592,728,499.22/357,123.47
6. Step 6: Final answer
   x = 270,474.33