Finding the Fourth Proportional to 342,039, 472,013.82 and 191,136

Step by Step Solution

1. Step 1: Write the proportion equation
   342,039 : 472,013.82 = 191,136 : x
2. Step 2: Convert to fraction form
   342,039/472,013.82 = 191,136/x
3. Step 3: Cross multiply
   342,039x = 472,013.82 × 191,136
4. Step 4: Simplify right side
   342,039x = 90,218,833,499.52
5. Step 5: Solve for x
   x = 90,218,833,499.52/342,039
6. Step 6: Final answer
   x = 263,767.68