Finding the Fourth Proportional to 2,177.87, 3,005.34 and 1,233.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.87 : 3,005.34 = 1,233.81 : x
2. Step 2: Convert to fraction form
   2,177.87/3,005.34 = 1,233.81/x
3. Step 3: Cross multiply
   2,177.87x = 3,005.34 × 1,233.81
4. Step 4: Simplify right side
   2,177.87x = 3,708,018.55
5. Step 5: Solve for x
   x = 3,708,018.55/2,177.87
6. Step 6: Final answer
   x = 1,702.59