Finding the Fourth Proportional to 51,192, 70,648.56 and 28,836

Step by Step Solution

1. Step 1: Write the proportion equation
   51,192 : 70,648.56 = 28,836 : x
2. Step 2: Convert to fraction form
   51,192/70,648.56 = 28,836/x
3. Step 3: Cross multiply
   51,192x = 70,648.56 × 28,836
4. Step 4: Simplify right side
   51,192x = 2,037,221,876.16
5. Step 5: Solve for x
   x = 2,037,221,876.16/51,192
6. Step 6: Final answer
   x = 39,795.71