Finding the Fourth Proportional to 52,700.28, 72,727.46 and 28,828.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,700.28 : 72,727.46 = 28,828.52 : x
2. Step 2: Convert to fraction form
   52,700.28/72,727.46 = 28,828.52/x
3. Step 3: Cross multiply
   52,700.28x = 72,727.46 × 28,828.52
4. Step 4: Simplify right side
   52,700.28x = 2,096,625,035.16
5. Step 5: Solve for x
   x = 2,096,625,035.16/52,700.28
6. Step 6: Final answer
   x = 39,783.94