Finding the Fourth Proportional to 51,567.48, 71,162.55 and 28,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,567.48 : 71,162.55 = 28,910.16 : x
2. Step 2: Convert to fraction form
   51,567.48/71,162.55 = 28,910.16/x
3. Step 3: Cross multiply
   51,567.48x = 71,162.55 × 28,910.16
4. Step 4: Simplify right side
   51,567.48x = 2,057,320,706.51
5. Step 5: Solve for x
   x = 2,057,320,706.51/51,567.48
6. Step 6: Final answer
   x = 39,895.70