Finding the Fourth Proportional to 52,635.42, 72,637.83 and 28,763.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,635.42 : 72,637.83 = 28,763.10 : x
2. Step 2: Convert to fraction form
   52,635.42/72,637.83 = 28,763.10/x
3. Step 3: Cross multiply
   52,635.42x = 72,637.83 × 28,763.10
4. Step 4: Simplify right side
   52,635.42x = 2,089,289,168.07
5. Step 5: Solve for x
   x = 2,089,289,168.07/52,635.42
6. Step 6: Final answer
   x = 39,693.60