Finding the Fourth Proportional to 143,559.05, 215,383.83 and 67,654.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,559.05 : 215,383.83 = 67,654.52 : x
2. Step 2: Convert to fraction form
   143,559.05/215,383.83 = 67,654.52/x
3. Step 3: Cross multiply
   143,559.05x = 215,383.83 × 67,654.52
4. Step 4: Simplify right side
   143,559.05x = 14,571,689,634.41
5. Step 5: Solve for x
   x = 14,571,689,634.41/143,559.05
6. Step 6: Final answer
   x = 101,503.11