Finding the Fourth Proportional to 190,142.89, 284,804.33 and 178,963.98

Step by Step Solution

1. Step 1: Write the proportion equation
   190,142.89 : 284,804.33 = 178,963.98 : x
2. Step 2: Convert to fraction form
   190,142.89/284,804.33 = 178,963.98/x
3. Step 3: Cross multiply
   190,142.89x = 284,804.33 × 178,963.98
4. Step 4: Simplify right side
   190,142.89x = 50,969,716,560.56
5. Step 5: Solve for x
   x = 50,969,716,560.56/190,142.89
6. Step 6: Final answer
   x = 268,060.07