Finding the Fourth Proportional to 1,685.56, 2,326.08 and 1,097.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685.56 : 2,326.08 = 1,097.10 : x
2. Step 2: Convert to fraction form
   1,685.56/2,326.08 = 1,097.10/x
3. Step 3: Cross multiply
   1,685.56x = 2,326.08 × 1,097.10
4. Step 4: Simplify right side
   1,685.56x = 2,551,942.37
5. Step 5: Solve for x
   x = 2,551,942.37/1,685.56
6. Step 6: Final answer
   x = 1,514.00