Finding the Fourth Proportional to 141,142.37, 194,694.23 and 90,841.37

Step by Step Solution

1. Step 1: Write the proportion equation
   141,142.37 : 194,694.23 = 90,841.37 : x
2. Step 2: Convert to fraction form
   141,142.37/194,694.23 = 90,841.37/x
3. Step 3: Cross multiply
   141,142.37x = 194,694.23 × 90,841.37
4. Step 4: Simplify right side
   141,142.37x = 17,686,289,837.93
5. Step 5: Solve for x
   x = 17,686,289,837.93/141,142.37
6. Step 6: Final answer
   x = 125,308.16