Finding the Fourth Proportional to 52,635.22, 72,635.37 and 28,762.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,635.22 : 72,635.37 = 28,762.02 : x
2. Step 2: Convert to fraction form
   52,635.22/72,635.37 = 28,762.02/x
3. Step 3: Cross multiply
   52,635.22x = 72,635.37 × 28,762.02
4. Step 4: Simplify right side
   52,635.22x = 2,089,139,856.79
5. Step 5: Solve for x
   x = 2,089,139,856.79/52,635.22
6. Step 6: Final answer
   x = 39,690.91