Finding the Fourth Proportional to 2,177.56, 3,004.84 and 1,293.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.56 : 3,004.84 = 1,293.60 : x
2. Step 2: Convert to fraction form
   2,177.56/3,004.84 = 1,293.60/x
3. Step 3: Cross multiply
   2,177.56x = 3,004.84 × 1,293.60
4. Step 4: Simplify right side
   2,177.56x = 3,887,061.02
5. Step 5: Solve for x
   x = 3,887,061.02/2,177.56
6. Step 6: Final answer
   x = 1,785.05