Finding the Fourth Proportional to 143,694.67, 198,298.50 and 83,300.29

Step by Step Solution

1. Step 1: Write the proportion equation
   143,694.67 : 198,298.50 = 83,300.29 : x
2. Step 2: Convert to fraction form
   143,694.67/198,298.50 = 83,300.29/x
3. Step 3: Cross multiply
   143,694.67x = 198,298.50 × 83,300.29
4. Step 4: Simplify right side
   143,694.67x = 16,518,322,556.57
5. Step 5: Solve for x
   x = 16,518,322,556.57/143,694.67
6. Step 6: Final answer
   x = 114,954.32