Finding the Fourth Proportional to 140,914.74, 194,456.22 and 84,357.30

Step by Step Solution

1. Step 1: Write the proportion equation
   140,914.74 : 194,456.22 = 84,357.30 : x
2. Step 2: Convert to fraction form
   140,914.74/194,456.22 = 84,357.30/x
3. Step 3: Cross multiply
   140,914.74x = 194,456.22 × 84,357.30
4. Step 4: Simplify right side
   140,914.74x = 16,403,801,687.41
5. Step 5: Solve for x
   x = 16,403,801,687.41/140,914.74
6. Step 6: Final answer
   x = 116,409.41