Finding the Fourth Proportional to 342,108, 472,123.62 and 191,205

Step by Step Solution

1. Step 1: Write the proportion equation
   342,108 : 472,123.62 = 191,205 : x
2. Step 2: Convert to fraction form
   342,108/472,123.62 = 191,205/x
3. Step 3: Cross multiply
   342,108x = 472,123.62 × 191,205
4. Step 4: Simplify right side
   342,108x = 90,272,396,762.10
5. Step 5: Solve for x
   x = 90,272,396,762.10/342,108
6. Step 6: Final answer
   x = 263,871.05