Finding the Fourth Proportional to 52,520.50, 72,477.06 and 28,647.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,520.50 : 72,477.06 = 28,647.37 : x
2. Step 2: Convert to fraction form
   52,520.50/72,477.06 = 28,647.37/x
3. Step 3: Cross multiply
   52,520.50x = 72,477.06 × 28,647.37
4. Step 4: Simplify right side
   52,520.50x = 2,076,276,791.95
5. Step 5: Solve for x
   x = 2,076,276,791.95/52,520.50
6. Step 6: Final answer
   x = 39,532.70