Finding the Fourth Proportional to 2,188.76, 3,277.40 and 1,747.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.76 : 3,277.40 = 1,747.98 : x
2. Step 2: Convert to fraction form
   2,188.76/3,277.40 = 1,747.98/x
3. Step 3: Cross multiply
   2,188.76x = 3,277.40 × 1,747.98
4. Step 4: Simplify right side
   2,188.76x = 5,728,820.91
5. Step 5: Solve for x
   x = 5,728,820.91/2,188.76
6. Step 6: Final answer
   x = 2,617.39