Finding the Fourth Proportional to 52,637.38, 72,636.50 and 28,764.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,637.38 : 72,636.50 = 28,764.24 : x
2. Step 2: Convert to fraction form
   52,637.38/72,636.50 = 28,764.24/x
3. Step 3: Cross multiply
   52,637.38x = 72,636.50 × 28,764.24
4. Step 4: Simplify right side
   52,637.38x = 2,089,333,718.76
5. Step 5: Solve for x
   x = 2,089,333,718.76/52,637.38
6. Step 6: Final answer
   x = 39,692.97