Finding the Fourth Proportional to 5,436.89, 8,155.64 and 1,738.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.89 : 8,155.64 = 1,738.83 : x
2. Step 2: Convert to fraction form
   5,436.89/8,155.64 = 1,738.83/x
3. Step 3: Cross multiply
   5,436.89x = 8,155.64 × 1,738.83
4. Step 4: Simplify right side
   5,436.89x = 14,181,262.81
5. Step 5: Solve for x
   x = 14,181,262.81/5,436.89
6. Step 6: Final answer
   x = 2,608.34