Finding the Fourth Proportional to 48,625.52, 67,103.40 and 30,728.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,625.52 : 67,103.40 = 30,728.48 : x
2. Step 2: Convert to fraction form
   48,625.52/67,103.40 = 30,728.48/x
3. Step 3: Cross multiply
   48,625.52x = 67,103.40 × 30,728.48
4. Step 4: Simplify right side
   48,625.52x = 2,061,985,484.83
5. Step 5: Solve for x
   x = 2,061,985,484.83/48,625.52
6. Step 6: Final answer
   x = 42,405.42