Finding the Fourth Proportional to 1,790.72, 2,684.72 and 1,097.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.72 : 2,684.72 = 1,097.52 : x
2. Step 2: Convert to fraction form
   1,790.72/2,684.72 = 1,097.52/x
3. Step 3: Cross multiply
   1,790.72x = 2,684.72 × 1,097.52
4. Step 4: Simplify right side
   1,790.72x = 2,946,533.89
5. Step 5: Solve for x
   x = 2,946,533.89/1,790.72
6. Step 6: Final answer
   x = 1,645.45