Finding the Fourth Proportional to 52,391.54, 72,300.25 and 28,518.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,391.54 : 72,300.25 = 28,518.14 : x
2. Step 2: Convert to fraction form
   52,391.54/72,300.25 = 28,518.14/x
3. Step 3: Cross multiply
   52,391.54x = 72,300.25 × 28,518.14
4. Step 4: Simplify right side
   52,391.54x = 2,061,868,651.54
5. Step 5: Solve for x
   x = 2,061,868,651.54/52,391.54
6. Step 6: Final answer
   x = 39,354.99