Finding the Fourth Proportional to 48,017.49, 72,017.52 and 12,948.94

Step by Step Solution

1. Step 1: Write the proportion equation
   48,017.49 : 72,017.52 = 12,948.94 : x
2. Step 2: Convert to fraction form
   48,017.49/72,017.52 = 12,948.94/x
3. Step 3: Cross multiply
   48,017.49x = 72,017.52 × 12,948.94
4. Step 4: Simplify right side
   48,017.49x = 932,550,545.43
5. Step 5: Solve for x
   x = 932,550,545.43/48,017.49
6. Step 6: Final answer
   x = 19,421.06