Finding the Fourth Proportional to 67,556.63, 101,280.22 and 28,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,556.63 : 101,280.22 = 28,143.25 : x
2. Step 2: Convert to fraction form
   67,556.63/101,280.22 = 28,143.25/x
3. Step 3: Cross multiply
   67,556.63x = 101,280.22 × 28,143.25
4. Step 4: Simplify right side
   67,556.63x = 2,850,354,551.52
5. Step 5: Solve for x
   x = 2,850,354,551.52/67,556.63
6. Step 6: Final answer
   x = 42,192.08