Finding the Fourth Proportional to 52,635.83, 72,637.29 and 28,762.65

Step by Step Solution

1. Step 1: Write the proportion equation
   52,635.83 : 72,637.29 = 28,762.65 : x
2. Step 2: Convert to fraction form
   52,635.83/72,637.29 = 28,762.65/x
3. Step 3: Cross multiply
   52,635.83x = 72,637.29 × 28,762.65
4. Step 4: Simplify right side
   52,635.83x = 2,089,240,949.22
5. Step 5: Solve for x
   x = 2,089,240,949.22/52,635.83
6. Step 6: Final answer
   x = 39,692.38