Finding the Fourth Proportional to 355,162.86, 490,121.88 and 194,017.98

Step by Step Solution

1. Step 1: Write the proportion equation
   355,162.86 : 490,121.88 = 194,017.98 : x
2. Step 2: Convert to fraction form
   355,162.86/490,121.88 = 194,017.98/x
3. Step 3: Cross multiply
   355,162.86x = 490,121.88 × 194,017.98
4. Step 4: Simplify right side
   355,162.86x = 95,092,457,111.40
5. Step 5: Solve for x
   x = 95,092,457,111.40/355,162.86
6. Step 6: Final answer
   x = 267,743.25