Finding the Fourth Proportional to 67,677.98, 101,553.69 and 28,238.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67,677.98 : 101,553.69 = 28,238.54 : x
2. Step 2: Convert to fraction form
   67,677.98/101,553.69 = 28,238.54/x
3. Step 3: Cross multiply
   67,677.98x = 101,553.69 × 28,238.54
4. Step 4: Simplify right side
   67,677.98x = 2,867,727,937.21
5. Step 5: Solve for x
   x = 2,867,727,937.21/67,677.98
6. Step 6: Final answer
   x = 42,373.13