Finding the Fourth Proportional to 148,496.80, 204,923.10 and 83,965

Step by Step Solution

1. Step 1: Write the proportion equation
   148,496.80 : 204,923.10 = 83,965 : x
2. Step 2: Convert to fraction form
   148,496.80/204,923.10 = 83,965/x
3. Step 3: Cross multiply
   148,496.80x = 204,923.10 × 83,965
4. Step 4: Simplify right side
   148,496.80x = 17,206,368,091.50
5. Step 5: Solve for x
   x = 17,206,368,091.50/148,496.80
6. Step 6: Final answer
   x = 115,870.30