Finding the Fourth Proportional to 52,625, 72,623.56 and 28,753.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,625 : 72,623.56 = 28,753.20 : x
2. Step 2: Convert to fraction form
   52,625/72,623.56 = 28,753.20/x
3. Step 3: Cross multiply
   52,625x = 72,623.56 × 28,753.20
4. Step 4: Simplify right side
   52,625x = 2,088,159,745.39
5. Step 5: Solve for x
   x = 2,088,159,745.39/52,625
6. Step 6: Final answer
   x = 39,680.00