Finding the Fourth Proportional to 52,732.28, 72,770.56 and 28,858.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,732.28 : 72,770.56 = 28,858.96 : x
2. Step 2: Convert to fraction form
   52,732.28/72,770.56 = 28,858.96/x
3. Step 3: Cross multiply
   52,732.28x = 72,770.56 × 28,858.96
4. Step 4: Simplify right side
   52,732.28x = 2,100,082,680.22
5. Step 5: Solve for x
   x = 2,100,082,680.22/52,732.28
6. Step 6: Final answer
   x = 39,825.37