Finding the Fourth Proportional to 52,614.78, 72,607.50 and 28,740.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,614.78 : 72,607.50 = 28,740.84 : x
2. Step 2: Convert to fraction form
   52,614.78/72,607.50 = 28,740.84/x
3. Step 3: Cross multiply
   52,614.78x = 72,607.50 × 28,740.84
4. Step 4: Simplify right side
   52,614.78x = 2,086,800,540.30
5. Step 5: Solve for x
   x = 2,086,800,540.30/52,614.78
6. Step 6: Final answer
   x = 39,661.87