Finding the Fourth Proportional to 52,748.20, 72,806.28 and 36,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,748.20 : 72,806.28 = 36,616.72 : x
2. Step 2: Convert to fraction form
   52,748.20/72,806.28 = 36,616.72/x
3. Step 3: Cross multiply
   52,748.20x = 72,806.28 × 36,616.72
4. Step 4: Simplify right side
   52,748.20x = 2,665,927,169.00
5. Step 5: Solve for x
   x = 2,665,927,169.00/52,748.20
6. Step 6: Final answer
   x = 50,540.63