Finding the Fourth Proportional to 355,176.59, 490,150.91 and 194,042.07

Step by Step Solution

1. Step 1: Write the proportion equation
   355,176.59 : 490,150.91 = 194,042.07 : x
2. Step 2: Convert to fraction form
   355,176.59/490,150.91 = 194,042.07/x
3. Step 3: Cross multiply
   355,176.59x = 490,150.91 × 194,042.07
4. Step 4: Simplify right side
   355,176.59x = 95,109,897,673.89
5. Step 5: Solve for x
   x = 95,109,897,673.89/355,176.59
6. Step 6: Final answer
   x = 267,782.00