Finding the Fourth Proportional to 52,713.50, 72,768.38 and 33,618.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,713.50 : 72,768.38 = 33,618.89 : x
2. Step 2: Convert to fraction form
   52,713.50/72,768.38 = 33,618.89/x
3. Step 3: Cross multiply
   52,713.50x = 72,768.38 × 33,618.89
4. Step 4: Simplify right side
   52,713.50x = 2,446,392,176.52
5. Step 5: Solve for x
   x = 2,446,392,176.52/52,713.50
6. Step 6: Final answer
   x = 46,409.22