Finding the Fourth Proportional to 143,932.83, 198,563.10 and 83,468.45

Step by Step Solution

1. Step 1: Write the proportion equation
   143,932.83 : 198,563.10 = 83,468.45 : x
2. Step 2: Convert to fraction form
   143,932.83/198,563.10 = 83,468.45/x
3. Step 3: Cross multiply
   143,932.83x = 198,563.10 × 83,468.45
4. Step 4: Simplify right side
   143,932.83x = 16,573,754,367.60
5. Step 5: Solve for x
   x = 16,573,754,367.60/143,932.83
6. Step 6: Final answer
   x = 115,149.23