Finding the Fourth Proportional to 52,730.48, 72,769.88 and 30,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,730.48 : 72,769.88 = 30,072.88 : x
2. Step 2: Convert to fraction form
   52,730.48/72,769.88 = 30,072.88/x
3. Step 3: Cross multiply
   52,730.48x = 72,769.88 × 30,072.88
4. Step 4: Simplify right side
   52,730.48x = 2,188,399,868.85
5. Step 5: Solve for x
   x = 2,188,399,868.85/52,730.48
6. Step 6: Final answer
   x = 41,501.61