Finding the Fourth Proportional to 67,553.88, 101,276.12 and 28,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,553.88 : 101,276.12 = 28,140.50 : x
2. Step 2: Convert to fraction form
   67,553.88/101,276.12 = 28,140.50/x
3. Step 3: Cross multiply
   67,553.88x = 101,276.12 × 28,140.50
4. Step 4: Simplify right side
   67,553.88x = 2,849,960,007.78
5. Step 5: Solve for x
   x = 2,849,960,007.78/67,553.88
6. Step 6: Final answer
   x = 42,187.95