Finding the Fourth Proportional to 1,790.24, 2,667.78 and 1,731.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.24 : 2,667.78 = 1,731.52 : x
2. Step 2: Convert to fraction form
   1,790.24/2,667.78 = 1,731.52/x
3. Step 3: Cross multiply
   1,790.24x = 2,667.78 × 1,731.52
4. Step 4: Simplify right side
   1,790.24x = 4,619,314.43
5. Step 5: Solve for x
   x = 4,619,314.43/1,790.24
6. Step 6: Final answer
   x = 2,580.28