Finding the Fourth Proportional to 1,704.51, 2,557.91 and 730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.51 : 2,557.91 = 730.69 : x
2. Step 2: Convert to fraction form
   1,704.51/2,557.91 = 730.69/x
3. Step 3: Cross multiply
   1,704.51x = 2,557.91 × 730.69
4. Step 4: Simplify right side
   1,704.51x = 1,869,034.69
5. Step 5: Solve for x
   x = 1,869,034.69/1,704.51
6. Step 6: Final answer
   x = 1,096.52