Finding the Fourth Proportional to 141,205.82, 194,815.31 and 90,248.37

Step by Step Solution

1. Step 1: Write the proportion equation
   141,205.82 : 194,815.31 = 90,248.37 : x
2. Step 2: Convert to fraction form
   141,205.82/194,815.31 = 90,248.37/x
3. Step 3: Cross multiply
   141,205.82x = 194,815.31 × 90,248.37
4. Step 4: Simplify right side
   141,205.82x = 17,581,763,727.30
5. Step 5: Solve for x
   x = 17,581,763,727.30/141,205.82
6. Step 6: Final answer
   x = 124,511.61