Finding the Fourth Proportional to 342,099.47, 472,096.09 and 191,196.47

Step by Step Solution

1. Step 1: Write the proportion equation
   342,099.47 : 472,096.09 = 191,196.47 : x
2. Step 2: Convert to fraction form
   342,099.47/472,096.09 = 191,196.47/x
3. Step 3: Cross multiply
   342,099.47x = 472,096.09 × 191,196.47
4. Step 4: Simplify right side
   342,099.47x = 90,263,104,952.82
5. Step 5: Solve for x
   x = 90,263,104,952.82/342,099.47
6. Step 6: Final answer
   x = 263,850.47