Finding the Fourth Proportional to 342,076.50, 472,080.15 and 191,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,076.50 : 472,080.15 = 191,173.50 : x
2. Step 2: Convert to fraction form
   342,076.50/472,080.15 = 191,173.50/x
3. Step 3: Cross multiply
   342,076.50x = 472,080.15 × 191,173.50
4. Step 4: Simplify right side
   342,076.50x = 90,249,214,556.03
5. Step 5: Solve for x
   x = 90,249,214,556.03/342,076.50
6. Step 6: Final answer
   x = 263,827.58