Finding the Fourth Proportional to 51,590.98, 71,210.76 and 33,688.78

Step by Step Solution

1. Step 1: Write the proportion equation
   51,590.98 : 71,210.76 = 33,688.78 : x
2. Step 2: Convert to fraction form
   51,590.98/71,210.76 = 33,688.78/x
3. Step 3: Cross multiply
   51,590.98x = 71,210.76 × 33,688.78
4. Step 4: Simplify right side
   51,590.98x = 2,399,003,627.27
5. Step 5: Solve for x
   x = 2,399,003,627.27/51,590.98
6. Step 6: Final answer
   x = 46,500.45