Finding the Fourth Proportional to 67,642.72, 101,483.76 and 28,179.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,642.72 : 101,483.76 = 28,179.52 : x
2. Step 2: Convert to fraction form
   67,642.72/101,483.76 = 28,179.52/x
3. Step 3: Cross multiply
   67,642.72x = 101,483.76 × 28,179.52
4. Step 4: Simplify right side
   67,642.72x = 2,859,763,644.60
5. Step 5: Solve for x
   x = 2,859,763,644.60/67,642.72
6. Step 6: Final answer
   x = 42,277.48