Finding the Fourth Proportional to 52,744.28, 72,784.28 and 28,866.33

Step by Step Solution

1. Step 1: Write the proportion equation
   52,744.28 : 72,784.28 = 28,866.33 : x
2. Step 2: Convert to fraction form
   52,744.28/72,784.28 = 28,866.33/x
3. Step 3: Cross multiply
   52,744.28x = 72,784.28 × 28,866.33
4. Step 4: Simplify right side
   52,744.28x = 2,101,015,117.46
5. Step 5: Solve for x
   x = 2,101,015,117.46/52,744.28
6. Step 6: Final answer
   x = 39,833.99