Finding the Fourth Proportional to 140,546.04, 193,960.49 and 83,218.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,546.04 : 193,960.49 = 83,218.10 : x
2. Step 2: Convert to fraction form
   140,546.04/193,960.49 = 83,218.10/x
3. Step 3: Cross multiply
   140,546.04x = 193,960.49 × 83,218.10
4. Step 4: Simplify right side
   140,546.04x = 16,141,022,066.98
5. Step 5: Solve for x
   x = 16,141,022,066.98/140,546.04
6. Step 6: Final answer
   x = 114,845.09