Finding the Fourth Proportional to 52,200.79, 72,037.27 and 28,327.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,200.79 : 72,037.27 = 28,327.46 : x
2. Step 2: Convert to fraction form
   52,200.79/72,037.27 = 28,327.46/x
3. Step 3: Cross multiply
   52,200.79x = 72,037.27 × 28,327.46
4. Step 4: Simplify right side
   52,200.79x = 2,040,632,559.66
5. Step 5: Solve for x
   x = 2,040,632,559.66/52,200.79
6. Step 6: Final answer
   x = 39,091.99